Step 1: Definition.
The Cold War was the period of ideological and political tension between the USA (capitalist bloc) and the USSR (communist bloc), lasting from 1945 to 1991.
Step 2: Main features.
- No direct war, but proxy wars (Korea, Vietnam, Afghanistan).
- Formation of military alliances: NATO (1949) vs Warsaw Pact (1955).
- Arms race and space race between superpowers.
- Fall of Berlin Wall (1989) and collapse of USSR (1991) ended the Cold War.
Step 3: Conclusion.
Thus, the Cold War was not a traditional war but a global struggle for dominance.