Eisenhower Doctrine Monroe Doctrine Nixon Doctrine Truman Doctrine appeasement balance of power brinkmanship coexistence colonialism compromise containment detente deterrence diplomacy diplomatic diplomatics dollar diplomacy dollar imperialism expansionism foreign affairs good-neighbor policy imperialism internationalism isolationism manifest destiny militarism nationalism neocolonialism neutralism nonresistance open door open-door policy peace offensive peaceful coexistence preparedness shirt-sleeve diplomacy shuttle diplomacy spheres of influence the big stick tough policy world politics