Social Sciences
Cold War
100%
USA
66%
Afghanistan
50%
Iran
33%
U.S.S.R.
22%
Terrorist Action
16%
Arms Control
16%
United Nations
16%
Paraguay
16%
Bolivia
16%
China
16%
Peru
16%
Financial Crisis
16%
Argentina
16%
Uruguay
16%
Iraq
16%
Iranian Revolution
16%
Chile
16%
Brazil
16%
International Relations
11%
European History
11%
Historiography
11%
Polemology
11%
Europe
11%
Germany
11%
Iron
11%
Earth and Planetary Sciences
Angola
33%
Africa
33%
Iran
33%
Afghanistan
33%
Vietnam
33%
Cold War
33%
China
33%
Americas
33%
U.S.S.R.
22%
United States
11%
Europe
11%
Germany
11%
Iron
11%
International Relation
11%
Arts and Humanities
1970s
33%
Crisis
22%
era
11%
Afghanistan
11%
Horn of Africa
11%
Iran
11%
turmoil
11%
Legacy
11%
Angola
11%
Soviet Relation
11%
re-definition
11%
Presidency
11%
China
11%
Arms Control
11%
Americas
11%
Vietnam
11%
United States of America
11%
