Quiz Guide #19 Cuban Revolution: A political revolution that removed the United States supported Fugencio Batista from power. The revolution was led by Fidel Castro who became the new leader of Cuba as a communist dictator. Brinkmanship: the act of pushing a situation to the verge of war in order to threaten and encourage one's opponent to back down. Domino Theory: the political theory that if one nation comes under Communist control then neighboring nations will also come under Communist control