Combined Syndicates of America -
"Union of American People's Republics" (UAPR)
"United Socialist States of America" (USSA)
"Union of American Socialist Federative Republics" (UASFR)
"American Socialist Republic" (ASR)
"American People's Republic" (APR)
"People's Federal Republic of America" (PFRA)
"Democratic People's Republic of America" (DPRA)
- I guess any Socialist Ideologies
- Ceasefire in 2ACW or Last America Standing

American Union State (Longist)/New England/Pacific States of America -
"Second/New United States of America" (SUSA)/(NUSA)
- Last America Standing

Federalist China paths
"Federal Republic of China" (FRC)
"Second/New Republic of China" (SRC)/(NRC)
"Chinese Federation/Federation of China" (CF)/(FoC)
"United States of China" (USC)
- Any Federalist Chinas becomes the Legitimate Government

LKMT China Paths
"New Republic of China" (NRC)
- Song or Wang elected after first congress
- Legitimate Government of China

"National Republic of China" (NatCHI)
- China liberated by Totalism

Fengtian China
"Federal Republic of China" (FRC)
"Second/New Republic of China" (SRC)/(NRC)
- Unification by Negotiation, Federalists align with Fengtain with or without KMT support

"Restored Republic of China" (RRC)
- Violent Unification, don't get couped by Japan
- Legitimate Government of China (Last unifier standing)

Zhili Government
"Second Republic of China"
-Wu Peifu institutes a "Republic" after failed Manchu coup
- Legitimate Government of China

Socialist Russia (AND THEY STAY RED!)
"Union of Russian People's Republics" (URPR)
"Socialist Federation of Russia" (SFR)
"Socialist Federative Republic of Russia"/"Russian Socialist Federative Republic" (SFRR)/(RSFR)
- Universial for Socialist Russia

Republican Russia
"Russian Federation" (RF)
- Remain a republic

"National Republic of Russia"/"Russian National Republic" (NRR)/(RNR)
- Remain a republic(?) or Military Rule, no tsars

"Second Russian Emprie" (SRE)
-Restore the Tsardom

Socialist Republic of Italy
"Italian Socialist Federative Republic" (ISFR)
"Socialist Federation of Italy" (SFI)
"People's Republic of Italy" (PRI)
"Democratic People's Republic of Italy" (DPRI)
- Universal to SRI

"Italian National Worker's State" (INWS)
"Italian Totalist Republic" (ITR)
-Mussolini leads Italian Socialist

Sweden
"Socialist Republic of Sweden" (SRS)
"Socialist Federation of Sweden" (SFS)
- Socialist overthrow Swedish Governement

Any Scandinavian Country
"Union of Scandinavian Socialist Republics" (USSR)
-Sweden, Denmark, and Norway, at minimum, must be owned by socialist government

Union of Britain
"Union of British Socialist Republics/Union of Socialist British Republics" (UBSR)/(USBR)
"Commonwealth of Britain" (CoB)
"Socialist Republic of Britain" (SRB)
"Union of British Socialist Federative Republic" (UBSFR)
- Universial for UoB

Commune of France
"French National Worker's State" (FNWS)
- Sorelians elected

"Socialist Republic of France" (SRF)
"Socialist Federal Republic of France" (SFRF)
"French Socialist Federation" (FSF)
"French Communal Republic" (FCR)
- Universal of CoF

May I recommend adding the full Union of Soviet Socialist Republics title as a name as well adding the Socialist Union of Britain & United Socialist States of America as well as United Syndicates of America & United Soviets of America as well as Federation of the Communes of France and Combined Syndicates of America as a name to keep (I know you start off as CSA when playing Red America but after 2ACW you can’t keep the name)

Romania
"Bulgarian-Romanian Union" (BUR)
-Must be National-Populist
-Must control Bulgarian Core states (After balkan war)
-Adds options to core it once declared
"Dacian Kingdom" (DAC)
-Must control Land to the Tisza River (Banat and eastern hungary)
-Must be national populist
"United Principalities of Rumania" (RUM)
-Control Transylvania