International cooperation Prevention -- 3 Terrorism -- 2 War on terrorism, 2001- 2 Boundary disputes 1 Conflict management -- 1 Foreign relations -- 1 more ... History. -- 1 Human territoriality -- 1 Methodology 1 National security -- 1 Pacific settlement of international disputes 1 Political aspects 1 Politics and government -- 1 Politics and war -- 1 Prevention 1 Security, International 1 War -- 1 less ...