Terrorism 7 Terrorism -- 5 Politics and government 4 Foreign relations -- 3 Insurgency -- 2 War on terrorism 2 Biological warfare 1 more ... Biological weapons 1 Chemical warfare 1 Chemical weapons 1 Cold War 1 Conflict 1 Conflict management 1 Congresses -- 1 Cooperation -- 1 Insurgency 1 International cooperation 1 Islamic countries 1 Islamic fundanmentalism 1 Peace 1 Politics and govenrment 1 Prevention -- 1 Relations -- 1 Religious aspects Islam 1 Security, International 1 Security, International -- 1 September 11 Terrorist Attacks, 2001 1 Social conflict 1 Soviet invasion of Afghanistan, 1979-1989 1 Teerorism -- 1 less ...