This document provides a summary of key topics to revise for the N5 History exam on the Cold War era. It outlines causes of the Cold War and roles of NATO and the Warsaw Pact. It also summarizes flashpoints like the Hungarian Revolution, Cuban Missile Crisis, and tensions in Berlin. Additionally, it covers the Vietnam War, including US involvement and opposition. Finally, it discusses changing relations in the late Cold War through détente and changes within the USSR in the 1980s.