1. Cold War
The Cold War was a state of political and military tension after World War II between powers in the Western Bloc and powers in the Eastern Bloc

3. Berlin Wall

4. Berlin Wall
The Berlin Wall was a barrier that divided Berlin from 1961 to [1] Constructed by the German Democratic Republic (GDR, East Germany), starting on 13 August 1961, the Wall completely cut off (by land) West Berlin from surrounding East Germany and from East Berlin until government officials opened it in November 1989.[2] Its demolition officially began on 13 June 1990 and was completed in 1992.[3] The barrier included guard towers placed along large concrete walls,[4] which circumscribed a wide area (later known as the "death strip") that contained anti-vehicle trenches, "fakir beds" and other defenses.

5. NATO
The North Atlantic Treaty Organization (NATO, also called the North Atlantic Alliance, is an intergovernmental military alliance based on the North Atlantic Treaty which was signed on 4 April The organization constitutes a system of collective defence whereby its member states agree to mutual defence in response to an attack by any external party. 

6. WARSAW PACT

7. Warsaw Pact
The Warsaw Pact is the name commonly given to the treaty between Albania, Bulgaria, Czechoslovakia, East Germany, Hungary, Poland, Romania, and the Soviet Union, which was signed in Poland in 1955 and was officially called 'The Treaty of Friendship, Co-operation and Mutual Assistance'.

8. SUPERPOWERS
For the duration of the Cold War the United States and the Soviet Union came to be generally regarded as the two remaining superpowers, dominating world affairs

9. IRON CURTAIN
The Iron Curtain formed the imaginary boundary dividing Europe into two separate areas from the end of World War II in until the end of the Cold War in The term symbolized efforts by the Soviet Union to block itself and its satellite states from open contact with the West and non- Soviet-controlled areas.

10. ARMS RACE
The nuclear arms race was a competition for supremacy in nuclear warfare between the United States, the Soviet Union, and their respective allies during the Cold War.

11. DEMOCRACY
democracy definition. A system of government in which power is vested in the people, who rule either directly or through freely elected representatives.

12. COMMUNISM government owns the things that are used to make and
 A way of organizing a society in which the
government owns the things that are used to make and
transport products (such as land, oil,
factories, ships, etc.) and there
is no privately owned property

13. SPACE RACE
The Space Race was a 20th-century competition between two Cold War rivals, the Soviet Union (USSR) and the United States (US), for supremacy in spaceflight capability.