ECONOMICS Two conflicting economic systems, capitalism and communism, competed for influence and power after World War II. The superpowers in this struggle were the United States and the Soviet Union.
REVOLUTION In Asia, the Americas, and Eastern Europe, people revolted against repressive governments or rule by foreign powers. These revolutions often became the areas for conflict between the two superpowers.
EMPIRE BUILDING The United States and the Soviet Union used military, economic, and humanitarian aid to extend their control over other countries. Each also tried to prevent the other superpower from gaining influence.