Charismatic Leader = 28
Diplomatic League = 18
Merchant Confederation = 28+1=29 - Mechant Confederation can into leading.
Machiavellianism = 23
Arsenal of Democracy = 11
Gunboat Diplomacy = 25
Cryptography = 23
Containment = 19
International Space Agency = 15-3=12 - I like science, but this is kinda useless. Comes in late game, so it won't be a very powerful card. Especially when you have only 1-3 suzerained city-states.
Diplomatic League = 18
Merchant Confederation = 28+1=29 - Mechant Confederation can into leading.
Machiavellianism = 23
Arsenal of Democracy = 11
Gunboat Diplomacy = 25
Cryptography = 23
Containment = 19
International Space Agency = 15-3=12 - I like science, but this is kinda useless. Comes in late game, so it won't be a very powerful card. Especially when you have only 1-3 suzerained city-states.