After 50 turns, you have to pick one nation from 9 regions.
North America: USA, Mexico, Canada, Greenland, Panama
Caribbean: Haiti, Cuba, Dominian Republic, Jamacia
South America: Brazil, Chile, Argentina, Ecuador, Peru
Europe: France, United Kingdom, Spain, Italy, Norway
Asia: Russia, China, Japan, Thailand, India, South Korea, Kazakhstan, Mongolia, Turkmenistan
Greater Middle East: Saudi Arabia, Pakistan, Morroco, Iran, Somalia
Australia: Australia, New Zealand, Papua New Guinea, New Caledonia, Soloman Islands
Southerneast Asia: Indonesia, Malaysia, Philippines, Brunei, Singapore
Africa: Sudan, South Africa, Madagascar, Nigeria, Congo