Congresses 46 Congresses -- 38 National security -- 23 Security, International -- 19 Terrorism -- 11 Prevention -- 10 Armed Forces -- 8 more ... Defenses -- 5 Foreign relations -- 5 International cooperation -- 4 Economic conditions -- 3 Energy policy -- 3 International finance -- 3 Political aspects -- 3 Politics and government -- 3 Prevention 3 Relations -- 3 Biotechnology 2 Emergency management -- 2 Environmental aspects -- 2 Epidemics -- 2 Financial crises -- 2 Food -- 2 Globalization -- 2 Government policy -- 2 Hijacking of ships -- 2 Islam and politics -- 2 Islam and state -- 2 Islamic fundamentalism -- 2 Merchant marine -- 2 less ...