波兰国策树

波兰 got a unique national focus tree in time with the game's release (as part of a free DLC).

The focus tree can be divided into 5 main branches:

Central Region Strategy - The Four Year Plan

This branch offers the possibility to develop the nation's infrastructure and factories as well as enabling up to two additional research slots.

Prepare For The Next War

This branch has options to keep pace/modernize the Polish ground forces with/ahead of its neighbors.

Air Base Expansion

This branch includes focuses which grants several research bonuses to improve aircraft. The first focus of the branch adds an air base.

Develop Polish Ship Building

This branch includes focuses which grants several research bonuses that could potentially specialize or widen the range of ships available for service soon. Includes research bonus for naval doctrine advancements.

Strengthen The Polish State

This branch contains various diplomatic focuses and focuses to change the ideology of the government. This branch has mutually exclusive choices that enables the player to forge an alliance or create one of its own.

Central Region Strategy - The Four Year Plan

First branch of the Polish national focus tree.
Clicking on a national focus icon leads to the appropriate table row.

	Focus	Effect(s)	Prerequisite(s)	Description
	Central Region Strategy	1× 100% Research bonus for: Industry		By centralizing factories far from any borders, we will boost our production while also protecting them from any would-be conquerors.
	Expansion Of New Towns	Logic: a random, owned and controlled state with a building slot available →Prioritize← Warzawa (10), IF owned and controlled THEN Warszawa (10)/(?): Add (1) shared building slot Instant build (1) 民用工厂	Central Region Strategy	It is not enough for towns to established to thrive - they must also be supported to reach their full potential.
	Start Central Industrial Region	Logic: a random, owned and controlled state with a building slot available →Prioritize← Lublin (92), IF owned and controlled THEN Lublin (92) /(?): Add (1) shared building slot Instant build (1) 军用工厂	Expansion Of New Towns	Lay the foundation for our centralized armament industry.
	Fill The Railways Gaps	Logic: a random, owned and controlled state with a building slot available One of the following must be true: is_in_home_area = yes does not own home state that has a building slot THEN Random(?): Random(#1): Instant build (1) Infrastructure Random(#2): Instant build (1) Infrastructure	Expansion Of New Towns The following will bypass the focus: No available building slots for infrastructure in any owned and controlled states	Much of our railway is scattered and disconnected. By adding the necessary stretches we gain much needed transportation capabilities."
	Expand Central Industrial Region	Logic: a random, owned and controlled state with a building slot available →Prioritize← Lublin (92), IF owned and controlled THEN Lublin (92)/(?): Add (1) shared building slot Instant build (1) Military Factory	Fill The Railways Gaps AND Start Central Industrial Region	Keep expanding our centralized armaments industry."
	The Four Year Plan	1× 100% Research bonus for: Construction Technology	No National Focus Prerequisites	We must plan for the expansion of our infrastructure to accommodate not only our present industry, but also our the future."
	National Defense Fund	Logic: a random, owned and controlled state with a building slot available ,include_locked = yes THEN Random(?): Add (1) shared building slot Instant build (1) Civilian Factory	The Four Year Plan	Citizens and state alike must contribute to the funding of our growing industry, to prepare for the perils of the years to come.
	Warsaw Main Railway Station	Logic: a random, owned and controlled state with a building slot available ,include_locked = yes →Prioritize← Warzawa (10), IF owned and controlled THEN Warzawa (10)/(?): Add (1) shared building slot Instant build (2) Infrastructures	The Four Year Plan	Warsaw is a nexus of transport and cargo. To avoid bottlenecks, extra effort is to be placed on the management of its railway.
	Invest In The Old Polish Region	Logic: a random, owned and controlled state with a building slot available →Prioritize← Warzawa (10), IF owned and controlled THEN Warzawa (10)/(?): Add (1) shared building slot Instant build (1) Military Factory	Warsaw Main Railway Station AND National Defense Fund	Modernize old factories in Kielce, Skarzysko, Radom, Starachowice and Ostrowiec, while also building new ones to strengthen our industry.
	Additional Research Slot I	Gain 1 Research Slot.	Invest In The Old Polish Region	Our industrial expansion and other recent advances might allow us to conduct more R&D in parallel.
	Develop Upper Silesia	Logic: a random, owned and controlled state with a building slot available →Prioritize← Katowice (762), IF owned and controlled THEN Katowice (762)/(?): Add (1) shared building slot Instant build (1) Civilian Factory	Invest In The Old Polish Region	Upper Silesia has been contested since the Great War. Developing the region will unite the people of the area and improve our industry.
	The Cyclometer	+10 Decryption Speed	Additional Research Slot I Expand Central Industrial Region	With this invention, the ciphers of the Germans will become plain as clear text. No secrets will be kept from us.
	Atomic Physics Institute	1× 100% Research bonus for: Nuclear Technology	The Cyclometer	We must not lose the chance to be the first to discover a way to harness the primal fire of fission.
	Additional Research Slot II	Gain 1 Research Slot.	Atomic Physics Institute Additional prerequisites: Poland has to have more than 50 factories in total.	The rapid industrialization of our nation has opened up new opportunities in R&D that we should pursue.
	The Bombe	1× 100% Research bonus for: Computing Technology	Additional Research Slot I	The "Cryptologic Bombe" is a development of the Cyclometer, and allows us to decipher the progressively more advanced versions of the German Enigma cipher.

Prepare For The Next War

Second branch of the Polish national focus tree.
Clicking on a national focus icon leads to the appropriate table row.

Prepare For The Next War

	Focus	Effect(s)	Prerequisite(s)	Description
	Prepare For The Next War	100% Research bonus (1× uses: Land Doctrine		The Great War may only have been the first of its kind. We must prepare for what must surely be an ever-changing battlefield.
	Standardization Of Equipment	100% Research bonus (1× uses): Infantry Weapons	Prepare For The Next War	By standardizing the equipment of our soldiers we set the foundation for a modern supply apparatus.
	Modernizing The Cavalry	300% Research bonus (1× uses): Motorized	Standardization Of Equipment	While the cavalry still has a role to play, we need new metal mounts for it to compete on the modern battlefield.
	Study Foreign Tanks	100% Research bonus (1× uses): Armor technology	Modernizing The Cavalry	These "tanks" will be a central part of todays armed conflicts, and we must make sure to keep pace with our neighbors, by any means necessary.
	Cruiser Tank Experiments	100% Research bonus (1× uses): 10TP (Medium Tank I)	Study Foreign Tanks	With the basics of tank design in place, we are now ready to start forging our own path in the tangled field of mechanized design.
	The Defense Of Poland	100% Research bonus (1× uses): Land Doctrine.	Prepare For The Next War	Even bolder stratagems must be devised if the defense of our homeland is to succeed.
	Romanian Bridgehead Strategy	100% Research bonus (1× uses): Land Doctrine.	The Defense Of Poland	Should the fighting turn against us, we must have plans in place for effective regrouping and retaliation in concert with our friends and allies.
	Hel Fortified Area	Danzig (85): Add 2 Coastal Fort in a province in the state. Add 2 Coastal Fort in a province in the state. Add 1 Land Fort in a province in the state. Add 1 Land Fort in a province in the state. Add 1 Land Fort in a province in the state. Add 1 Land Fort in a province in the state.	Romanian Bridgehead Strategy ! The following will bypass the focus: Danzig (85): Not owned by Poland Not controlled by Poland	By fortifying key areas we make ourselves less vulnerable, should war again come to our shores and borders.
	Silesia Fortified Area	Katowice (762): Add 3 Land Forts in a province in the state.	Romanian Bridgehead Strategy ! The following will bypass the focus: Katowice (762): Not owned by Poland Not controlled by Poland	More forts constructed in the south will secure additional defenses.
	Anti-Tank Guns	100% Research bonus (1× uses): Anti-Tank	Hel Fortified Area OR Silesia Fortified Area	Any enemy is sure to deploy tanks against us. We must be prepared to give them a warm welcome.
	Artillery Modernization	100% Research bonus (1× uses): Support Artillery	Hel Fortified Area OR Silesia Fortified Area	We must not neglect to improve and modernize the support our soldiers require for effective deployment.
	Army Modernization	100% Research bonus (1× uses): Infantry Weapons	Anti-Tank Guns OR Artillery Modernization	Modern arms for modern men!

Air Base Expansion

Third branch of the Polish national focus tree.
Clicking on a national focus icon leads to the appropriate table row.

Air Base Expansion

	Focus	Effect(s)	Prerequisite(s)	Description
	Air Base Expansion	Logic: a random, owned and controlled state with a building slot available →Prioritize← Warzawa(10), IF owned and controlled THEN Warszawa(10)/(?): Add 2 Air bases		Airbases are as essential to air support as air support is to modern warfare.
	Air Innovations	100% Research bonus (1x uses): Air doctrine	Air Base Expansion	There is still much to be done in the field of aerial strategy and tactics.
	Naval Bomber Experiments	100% Research bonus (1x uses): Naval Bomber models	Air Innovations	Air supremacy is as important at sea as over land. Specialized aircraft developed for the purpose of naval warfare is a way to achieve that aim.
	Fighter Modernization	100% Research bonus (1x uses): Fighter models	Air Base Expansion	The mainstay of any air force, our fighters must not be made obsolete. As the rest of our air force improves, so must they.
	Heavy Fighter Concept	100% Research bonus (1x uses): Heavy Fighter models	Air Innovations OR Fighter Modernization	Should we be forced to go on the offensive, we need a new kind of fighter that can operate at length inside hostile borders.
	Medium Bomber Focus	100% Research bonus (1x uses): Tactical Bomber models	Air Innovations OR Heavy Fighter Concept	An extension of the precision bombing philosophy adapted for extended range to be used in support roles.
	Light Bomber Focus	100% Research bonus (1x uses): Close Air Support models	Heavy Fighter Concept OR Fighter Modernization	The value of using dive bombers for close air support should not be underestimated.
	Air Modernizations Program	100% Research bonus (1x uses): Air doctrine	Light Bomber Focus OR Medium Bomber Focus	Aviation theory is just as important as technology. New stratagems for our pilots are still waiting to be discovered.
	Rocket Development	100% Research bonus (2x uses): Jet Technology and Rocketry Technology	Air Modernizations Program	Speed is the attribute on which all other aerial attributes rely. Rocket and jet engines could theoretically allow us to pass all previous limits.

Develop Polish Ship Building

Fourth branch of the Polish national focus tree.
Clicking on a national focus icon leads to the appropriate table row.

Develop Polish Ship Building

	Focus	Effect(s)	Prerequisite(s)	Description
	Develop Polish Ship Building	Logic: a random, owned and controlled state with a building slot available →Prioritize← Danzig(85), IF owned and controlled THEN Danzig(85) /(?): Add 3 海军船坞s		Our nation's inland location is no excuse to neglect our naval efforts.
	Import Submarine Technology	100% Research bonus (1x uses): Submarine models	Develop Polish Ship Building	A submarine gap is unacceptable. We will have the technology, even if we must purchase it.
	Commerce Attack Tactics	100% Research bonus (1x uses): Submarine operations doctrine	Import Submarine Technology	No navy is complete without submarines. Ours need to be organized for optimal lethality, just like the rest of the fleet.
	Study Foreign Built Ships	100% Research bonus (1x uses): Destroyer models	Develop Polish Ship Building	New kinds of ships are continuously being developed by our neighbors. We must study them, or we will find our own antiquated.
	A Cruiser Navy	100% Research bonus (1x uses): Light Cruiser models	Study Foreign Built Ships	Increasingly larger ships will be needed to make a reality of our plans for a sea presence.
	The Twin Threats	100% Research bonus (1x uses): Naval doctrine	Import Submarine Technology OR Study Foreign Built Ships	By focusing on the counter-tactics needed to oppose our most likely enemies we will keep the upper hand in naval combat.
	Strike Force	100% Research bonus (1x uses): Light Cruiser models Heavy Cruiser models	The Twin Threats	In case we lack in numbers, we need a rapidly deployed force of warships to be able to strike at the enemy where he is weakest.
	Coastal Defense	100% Research bonus (1x uses): Submarine models Destroyer models	The Twin Threats	A short-range, mobile naval defense force could potentially do the work of many times their strength in stationary fortifications.
	Baltic Navy	100% Research bonus (1x uses): Naval doctrine	Coastal Defense OR Strike Force	A thorough effort to reinvent our naval strategy will be of great importance if we are to utilize our ships in the Baltic.

Strengthen the Polish State

Fifth branch of the Polish national focus tree.
Clicking on a national focus icon leads to the appropriate table row.

Strengthen the Polish State

	Focus	Effect(s)	Prerequisite(s)	Description
	Strengthen the Polish State	Political Power: +120		We cannot afford to stand divided. Our strength to enact changes is proportional to our unity in both senate and sejm.
	Polish Militarism	gains 20  army experience. gets the national spirit: Polish Militarism Recruitable Population: 2.5% War Support: +5% Damage to Garrisons: −10%	Strengthen the Polish State	Previous wars may have bowed us, but we are not defeated. We shall rise again, by the bravery of our soldiers and the cunning of our officers."
	Polish Revanchism	gains the national spirit: Polish Revanchism Justify war goal time: –25% Generate war goal tension limit: −40% War Support: +5%	Polish Militarism	Few nations have lost so much in so little time. If there is any justice, we will regain it, one way or another."
	Poland First	gains the national spirit: Indoctrination Stability: +5% Having established our ideology as based on the truth. It may be taught as truth. Education and media must reflect this lesson.	Polish Militarism	The good of the nation must take precedence to so-called "truths." Just as we forge our own destiny, we must forge our own facts."
	The Between The Seas Concept	Set the rule: Can Create Factions. Międzymorze faction founded	Poland First Additional prerequisites: ↓One of the following must be true 波兰: Is fully independent Is not in a Faction This focus will cancel if the requirements are not met.	We are not alone in our struggle. If we can gather enough allies, we might be able to challenge our enemies on our own terms.
	Treaty with Lithuania	波兰: Gains "Treaty with Lithuania" (Opinion of Lithuania +25) 立陶宛: Gains "Treaty with Lithuania" (Opinion of Poland +25) Is invited to join Poland's faction.	The Between The Seas Concept Other prerequisites/bypass: 波兰: Is Faction Leader ! The following will bypass the focus: 立陶宛: Does not exist Is the subject of another country Is in a faction without Poland 波兰: Owns state Memel (188) Owns state Siauliai (189) Owns state Kaunas (11) This focus will cancel if the requirements are not met.	Old grudges need to stay in the past. Every friend is needed in the dark times ahead.
	The Baltic Alliance	波兰: Gains "The Baltic Alliance" (Opinion of Estonia +25) Gains "The Baltic Alliance" (Opinion of Latvia +25) 爱沙尼亚: Gains "The Baltic Alliance" (Opinion of Poland +25) Is invited to join Poland's faction. 拉脱维亚: Gains "The Baltic Alliance" (Opinion of Poland +25) Is invited to join Poland's faction.	Treaty with Lithuania Additional prerequisites: ↓ One of the following must be true: 拉脱维亚Latvia: Exists Is fully independent At peace with Poland. 爱沙尼亚Estonia: Exists Is fully independent At peace with Poland. This focus will cancel if the requirements are not met.	One can never have enough friends.
	Ideological Fanaticism	gains the national spirit: Ideological Fanaticism Stability: +5% No sacrifice is too great for our cause. Just like the zealots of the old religions, everyone must be prepared to take lives or give their own for the sake of our ways.	Poland First	No sacrifice is too great for our cause. Just like the zealots of the old religions, everyone must be prepared to take lives or give their own for the sake of our ways."
	Defensive Focus	gets the national spirit: Deterrence Land Fort construction speed: +20% Coastal Fort construction speed: +20% Anti-Air construction speed: +20% Military Factory construction speed: +20% Standing alone, we rarely benefit from war. Fortunately, we know that the best defense is one so well-known you never have to put to use.	Strengthen the Polish State	We will not start the next war, but we will make sure we finish it."
	Internationalism	Internationalism Trade deal opinion factor: +20%	Polish Militarism OR Defensive Focus	The enemies of our enemies can be our friends."
	Authoritarianism	gains the national spirit for 720 days: Authoritarianism Daily Democracy support: –0.10 Acceptance of Democratic Diplomacy: –100	Internationalism	Democracy is a weak solution to tough problems. If power is to be wielded with force, it must be freed from the shackles of consensus."
	Go Left	gains the national spirit for 720 days: Communist Influence Daily Communism support: +0.10 Acceptance of Communist Diplomacy: +85	Authoritarianism	Only by uniting our people can we prevail against the foes that threaten to consume us."
	Political Commissars	Political Commissars Division Recovery Rate: +10%	Go Left	In order to maintain control of the military, political officers will be appointed to ensure military adherence to the party policies."
	Seek Accommodation With USSR	波兰: Gains "Seek Accommodation With USSR" (Opinion of Soviet Union +25) 苏维埃联盟: Gains "Seek Accommodation With USSR" (Opinion of Poland +25)	Go Left Additional prerequisites: One of the following must be true: Soviet Union exists This focus will cancel if the requirements are not met.	The USSR want war as little as we do. Perhaps there is a way to reconcile our history without bloodshed.
	Go Right	gains the national spirit for 720 days: Fascist Influence Daily Fascism support: +0.10 Acceptance of Fascism Diplomacy: +85	Authoritarianism	Strength is the only quality worth pursuing. Our neighbors have embraced this truth, and so must we."
	Seek Accommodation With Germany	波兰: Gains "Seek Accommodation With Germany" (Opinion of German Reich +25) 德意志国: Gains "Seek Accommodation With Germany" (Opinion of Poland +25)	Go Right Additional prerequisites: One of the following must be true: German Reich exists This focus will cancel if the requirements are not met.	Why should we fight, when we are more alike than different?"
	Military Youth	gains the national spirit: Military Youth Recruitable Population: +2%	Go Right	Enrolling our young in organizations promoting discipline and national ideology will breed a loyal generation of future recruits."
	Paramilitarism	gains the national spirit: Paramilitarism Division Training Time: –10%	Authoritarianism	Military principles have applications outside the military arena. With every part of society trained in these disciplines, every citizen will be able to take up arms at a moment's notice."
	Liberalism	gains the national spirit for 720 days: Democratic Influence Daily Democracy support: +0.10 Acceptance of Democratic Diplomacy: +85 Democratic pressure have made democracy very popular, and the country is susceptible to align with other democrats.	Internationalism	We will not stoop to the level of despots and dictators. Never forget that a state serves its people, and not the opposite.
	Intervention Focus	Set the rule: Send volunteer forces. Political Power: +150	Liberalism	If we value freedom, we need to safeguard it not only for us, but for nations everywhere. If this means war, so be it!
	Volunteer Corps	gains the national spirit: Volunteer Corps Divisions required for sending volunteer force: –25%	Intervention Focus	Freedom cannot be enforced by the unwilling, or it would become a travesty. Those who take arms for liberty by choice must be given the means to do so, however.
	Draw Closer To Britain	波兰: Gains "Draw Closer To Britain" (Opinion of United Kingdom +25) 联合王国: Gains "Draw Closer To Britain" (Opinion of Poland +25)	Liberalism Additional prerequisites: One of the following must be true: United Kingdom exists This focus will cancel if the requirements are not met.	The British have committed to protect our independence in the face of aggressors. We need to make the necessary gestures of appreciation.

国策 

通用	通用 • 持续性国策

United and Ready

波兰

炮手就位

墨西哥 • 荷兰