The document outlines key concepts and events from the 20th century, including: - World War I, the Russian Revolution, and the Treaty of Versailles which ended WWI and imposed penalties on Germany. - The rise of Nazism under Adolf Hitler in Germany and the start of WWII in 1939 due to German and Japanese expansionism. - Post-WWII included the Holocaust where Hitler systematically destroyed Jewish populations, and ghettos and concentration camps were used. - The Cold War emerged as a struggle between communist USSR and capitalist US and allies over ideas of government, with each forming military alliances like NATO and the Truman Doctrine providing aid.

1. Concept 1
Post WWI

2. Russian Revolution
A civil war that
occurred in Russia
during WWI which
took their country
out of the war

3. World War I
A time period between 1914-
1918 during which world
powers fought due to
nationalism, ethnic and
ideological conflicts, and
rivalries

4. Treaty of Versailles
• the treaty imposed on
Germany by the Allied
powers in 1920 after the
end of World War I which
demanded reparations
from the Germans

5. Nazism
The ideology and practice
of the Nazi Party and of
Nazi Germany German
Fascist party controlling
Germany from 1933-1945

6. Great depression
a severe worldwide
economic depression, after the
1929 stock market crash. It was
before World War II and
caused widespread
unemployment

7. World War II
A time period from 1939-
1945 during which world
powers fought in part due
to Germany and Japan’s
desire to expand their
empires.

8. Adolf Hitler
• leader of Germany during
WWII; started Nazism and
the Holocaust

9. Concept 2
Post WWII

10. Holocaust
Term used for the
systematic
destruction of the
Jewish people of
Eastern Europe by
Hitler

11. ghetto
An area of a city to which
Jews were restricted and
from which they were
forbidden to leave

12. Concentration camps
Work and death camps
located in Germany and
Poland to incarcerate and
exterminate Jews and
other “undesirables”

13. propaganda
Information that is
spread for the
purpose of promoting
some cause

14. Concept 3
Cold War

15. philosophies
Ideas attributed to a
particular group or
culture

16. Superpowers
The term used to
describe the United
States and the Soviet
Union as they entered
the Cold War

17. Cold War
A struggle that erupted
between the Soviet Union and
its former allies over ideas
about freedom, government,
and economics. It is called
this as there was no shooting.

18. Truman Doctrine
A document which set a
precedent for the principle of
‘collective security’– building up
a network of allies and friendly
states to which the US gave
military aid free of charge– and
NATO

19. Marshall Plan
A plan devised by the US
to reduce the hunger,
homelessness,
unemployment, sickness,
and political restlessness
in west Europe

20. Concept 4
Collapse of the Soviet
Union and German
Reunification

21. Berlin Wall
•A wall separating East
and West Berlin built by
East Germany in 1961 to
keep citizens from
escaping to the West

22. German reunification
The process in which
East and West
Germany reunited into
one country

23. Developing nation
General countries which have
not achieved a significant
degree of industrialization
relative to their populations,
and which have, in most
cases a medium to low
standard of living