After World War II, the United States grappled with prosperity and unfamiliar international responsibilities while struggling to live up to its ideals.

Key Concept 8.1: The United States responded to an uncertain and unstable postwar world by asserting and working to maintain a position of global leadership, with far-reaching domestic and international consequences.

Key Concept 8.2: New movements for civil rights and liberal efforts to expand the role of government generated a range of political and cultural responses.

Key Concept 8.3: Postwar economic and demographic changes had far-reaching consequences for American society, politics, and culture.