Foreign relations 7 History 4 Armed Forces 3 Government policy 3 United States 3 World politics 3 Military policy 2 Social aspects 2 Social conditions 2 Social structure 2 Terrorism 2 (George Smith) 1 2001 1 20th century 1 21st century 1 Amyotrophic lateral scelerosis 1 Army 1 Balance of power 1 Ballistic missile defences 1 Biography 1 Case 1 Case studies 1 Cold War 1 Death 1 Decision making 1 Defenses 1 Diversity in the workplace 1 Economic policy 1 Forecasting 1 Foreign relation 1