What is The content for world leadership that began after World War 2 between the communist nations and the nations of the west?

After World War II, the global power struggle between communist nations, led by the Soviet Union, and Western nations, primarily the United States and its allies, gave rise to the Cold War. This ideological conflict was characterized by political tension, military rivalry, and economic competition, as each side sought to expand its influence worldwide. Key events included the arms race, the establishment of NATO and the Warsaw Pact, and proxy wars in various regions, such as Korea and Vietnam. This period significantly shaped international relations and global governance structures, leading to a bipolar world order.