Executive power -- 16 War and emergency powers -- 4 History -- 3 Politics and government -- 3 Detention of persons -- 2 Legal status, laws, etc -- 2 National security -- 2 more ... Presidents -- 2 Terrorists -- 2 War on Terrorism, 2001-2009 2 20th century. -- 1 21st century. -- 1 Administrative agencies -- 1 Administrative law -- 1 Atomic bomb -- 1 Case studies 1 Case studies. -- 1 Civil rights -- 1 Combatants and noncombatants (International Law) 1 Conflict of interests -- 1 Congress 1 Congress -- 1 Constitutional law 1 Decision making 1 Deregulation -- 1 Executive departments -- 1 Foreign relations 1 Foreign relations -- 1 Foreign relations administration 1 Foreign relations administration -- 1 less ...