-
French Invasion of Mexico
Monroe Doctrine and isolationsim -
Spanish-American War begins
Monroe Doctrine and isolationism -
Trade wars in China
Open Door Policy -
Panama Canal authorized
Roosevelt Corollary and Good Neighbor Policy -
U.S. enters World War 1
Internationalism -
U.S. enters World War 2
Internationalism -
United Nations established
Collective Security -
Berlin Blockade
Containment -
Korean War begins
Collective security and containment -
Cuban Missile Crisis
containment and deterrence -
U.S. commits to Vietnam War
Containment and collective security -
Salt 1 pact
detente -
Soviet Invasion of Afghanistan
containment and collective security -
Operation Iraqi Freedom
collective security and internationalism