Period 4 (1 gen 1900 anni – 1 gen 2021 anni)

Descrizione:

1. Mexican Revolution (1919-1920)- Mexico v. America. Over southwest American territories

2. WW1 (1914-1918)- Caused by colonialism. Germany. Mechanized and Chemical war

3. Great Depression (1929-1933)- an awful economic downturn

4. WW2 (1939-1945)- Hitler wanted to avenge WW1 si he invaded Poland

5. The Holocaust (1941-1945)- Genocide against the Jewish and other minorities

6. Cold War (1947-1991)- Capitalism against communism. Missiles and Stuff

7. Korean War (1950-1953)- North(Commie) v. South. America Helped south

8. Vietnam War (1955-1975)- North (Commie) v. South. America Helped south.

9. Fall of USSR (1990)- Fall of Communism

10. End of Apartheid in South Africa (1990)- End of racial segrigation in South Africa