Subject
United States Foreign relations
12
United States Economic conditions
7
History
5
United States Military policy
5
National security
4
United States Politics and government
4
United States Economic policy
3
United States Foreign relations Forecasting
3
Civil-military relations
2
Drug control
2
Government spending policy
2
Military planning
2
National security History
2
Presidents History
2
Reorganization
2
Strategic planning
2
Twenty-first century
2
United States
2
United States Armed Forces Procurement History
2
United States Military relations
2
World politics Forecasting
2
Africa, North Politics and government
1
Air warfare
1
Animal welfare History
1
Arts Citizen participation
1
Arts Study and teaching History
1
Arts audiences
1
Arts surveys
1
Balance of power
1
Brazil Armed Forces Operational readiness
1
Brazil Foreign economic relations
1
Brazil Foreign relations
1
Brazil Military policy
1
Brazil Politics and government
1
Brazil Strategic aspects
1
Budget Forecasting
1
Budget deficits
1
Campaign management Technological innovations History
1
Captive wild animals Social aspects History
1
China Foreign relations
1
China Military policy
1
China Military relations
1
China Strategic aspects
1
Collective bargaining
1
Colombia Foreign relations
1
Colombia Politics and government
1
Communicable diseases Transmission Prevention
1
Counterinsurgency
1
Data protection Law and legislation
1
Defense industries History
1
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