Imperialism: Imperialism refers to a policy by which powerful nations extend their political, economic, or military control over weaker territories or countries. It often involved colonization and exploitation of resources in order to increase a nation's influence and wealth.
Cold War: The Cold War was a period of intense political tension between the United States and the Soviet Union (1947-1991), characterized by ideological differences, nuclear arms race, proxy wars, and competition for global influence. It shaped global relations as countries aligned themselves with either superpower or remained neutral.
Globalization: Globalization is the process of increasing interconnectedness among different parts of the world through trade, communication, cultural exchange, and technology. It has facilitated closer global relations by making it easier for people and goods to move across borders and fostering shared norms and values.