| Colonial Government | Republic | Global Autonomy-5% Recover Army Morale Speed+2% Embracement Cost-10% Governing Capacity+100 Max Absolutism+40 |
| Combat Heresy | Theocracy | Land Morale+10% Shock Damage+5% |
| Commercial Mission | Theocracy | Global Trade Power+10% Merchants+1 |
| Compagnie d'ordonnance | Any government | Drill Decay-33% Army Tradition Decay0% Cav To Inf Ratio+10% Global Regiment Cost-5% |
| Complete Religious Freedom | Republic | Development Cost-5% Tolerance Heathen+1 Tolerance Heretic+1 Pr Smugglers Influence+10% |
| Compromise with the Nobility | Monarchy | Legitimacy+50% Meritocracy+50% Stability Cost-15% |
| Conciliarism of the Churches | Any government | Diplomats+1 Tolerance Heretic+3 Diplomatic Reputation+1 |
| Condottieri Contracts | Any government | Mercenary Cost-33% Possible Condottieri+1 Mercenary Discipline+5% |
| Confucian Bureaucracy | Monarchy | |
| Conserve the Religion | Any government | Rr Royalists Influence+10% Papal Influence+100 Tolerance Own+2 Idea Cost-5% |
| Consolidate Power in the Doge | Republic | |
| Consolidated Power | Republic | Yearly Absolutism+2 Max Absolutism+25 Reelection Cost-10% |
| Consolidation of Power | Republic | Max Absolutism+10 Election Cycle+1 Max Terms+1 |
| Constituent Assembly | Republic | Improve Relation+15% Diplomatic Upkeep+1 Reelection Cost-15% |
| Constitutional Monarchy | Any government | Governing Capacity+150 Years Of Nationalism-5 Legitimacy+1 Global Autonomy-7% Max Absolutism-30 |
| Constitutional Republic | Any government | Governing Capacity+150 Production Efficiency+10% Trade Efficiency+10% Global Autonomy-7% Max Absolutism-30 |
| Constitutional Republic | Republic | Num Of Parliament Issues+1 Republican Tradition+25% Max Absolutism+5 |
| Constitutional Theocracy | Theocracy | |
| Consulate of the Sea | Any government | Trade Efficiency+10% Global Trade Power+10% Burghers Loyalty+5% |
| Continue the Renaissance | Any government | Embracement Cost-10% Global Institution Spread+10% |
| Corvée System | Monarchy | Global Manpower+10% Build Cost-10% |
| Cossack Registry | Any government | Special Unit Forcelimit+10% Cossacks Loyalty+15% Cossacks Influence+10% Cossacks Privilege Slots+1 |
| Council of Captains | Republic | Pr Captains Influence+10% Privateer Efficiency+33% |
| Council of the Indies | Any government | Reduced Liberty Desire On Other Continent+5 Treasure Fleet Income+25% Global Trade Power+5% |
| Court of Art and Culture | Monarchy | Advisor Pool+1 Culture Conversion Cost-10% Prestige Decay0% |
| Courts of Navarra | Monarchy | Same Culture Advisor Cost-20% Diplomats+1 Global Unrest-2 Max Absolutism-30 Nobles Influence-10% |
| Crew before Faith | Republic | Pr Buccaneers Influence+10% War Exhaustion-10% |
| Crown Colony | Republic | Recover Army Morale Speed+2% Embracement Cost-10% Governing Capacity+100 Max Absolutism+40 |
| Crowned Ruler | Theocracy | |
| Crusader Nobility | Monarchy | Reverse Relation With Heretic Religion+10 Warscore Cost Vs Other Religion-10% Nobles Loyalty+10% Nobles Influence+10% |
| Crusader Order | Theocracy | Global Missionary Strength+1% Army Tradition From Battle+25% Discipline+3% |
| Crusader State | Any government | Governing Capacity+100 Cb On Religious EnemiesYes Manpower Recovery Speed+15% Global Autonomy-20% |
| Crusader State | Any government | Governing Capacity+100 Manpower Recovery Speed+15% Global Autonomy-20% |
| Crusader State | Any government | Cb On Religious EnemiesYes Manpower Recovery Speed+15% |
| Crusading Empire | Theocracy | Global Missionary Strength+2% Manpower In True Faith Provinces+33% Cb On Religious EnemiesYes Tolerance Own+2 Governing Capacity-50% |
| Cult of Reason | Any government | Rr Jacobins Influence+10% Idea Cost-20% Possible Policy+1 Free Policy+1 |
| Cultural Administration | Republic | Num Accepted Cultures+2 Promote Culture Cost-50% |
| Cultural Fragmentation | Any government | |
| Cultural Safe Haven | Theocracy | Manpower In Accepted Culture Provinces+10% Manpower In Culture Group Provinces+10% |
| Curtail Clerical Privileges | Any government | Adm Tech Cost-10% Religious Unity+10% Church Influence-10% |
| Curtail Noble Privileges | Monarchy | Global Tax+15% Nobles Influence-10% Maratha Exclusive Influence-10% Rajput Exclusive Influence-10% |
| Curtail the Burghers | Any government | Trade Company Governing Cost-10% Trade Steering+15% Burghers Influence-10% |
| Daimyo | Any government | Land Morale+10% Infantry Power+10% |
| Daimyo | Monarchy | Land Morale+10% Infantry Power+10% Amount Of Samurai+4 |
| Dakhni Culture | Monarchy | |
| Deccani Elites | Monarchy | |
| Decentralized Bureaucracy | Monarchy | Min Autonomy In Territories-5% Num Accepted Cultures+2 All Estate Loyalty Equilibrium+5% |
| Defense Principle | Republic | |
| Defensive Stance | Any government | Defensiveness+15% Garrison Size+20% Max Hostile Attrition+1 |
| Despotic Monarchy | Any government | Governing Capacity+50 Global Unrest-1 Unjustified Demands-10% Max Absolutism+5 |