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Start of Imperialism
The United States starts to emerge as a world economic power and sees its oppurtunity to expand into other countries. -
Spanish-American War
The United States starts to stand its ground against European powers and assert its power. -
Treaty of Paris
Spain surrenders control of Cuba and ceding Puerto Rico, the West Indies, Guam, and the Philippines to the United States. -
Panama Canal Finished
The United States finishes the canal, allowing for better movement for commercial vessels. -
United States Enters World War I
Congress successfully votes to declare war on Germany, making it one of the first times America becomes involved with foreign affairs after a long era of isolationism. -
Treaty Of Versailles
End to World War I, United States focuses on rebulding the European economy. -
World War II Begins
Due to the Treaty Of Versailles' and League of Nation's ineffectiveness at preventing another German rise to power, World War II begins with the invasion of Poland. -
The United States Enters World War II
The US officially enters the war after the Attack on Pearl Harbor. -
Occupation and Reconstruction of Japan
United States push to change the Empire of Japan into a democracy through large scale foreign occupation. -
End of World War II
The end of World War II marked the end of American isolationism but started a new Cold War era. -
Truman Doctrine put into Effect
Beginning of the containment policy to stop Soviet expansion. -
Korean War
War between the North and South of Korea. The South was heavily supported by the United States and United Nations in order to combat increasing Communist control. -
Vietnam War
The United States enters a proxy war in order to stop the spread of Communism in the country. -
Cuban Missle Crisis
Soviet controlled Cuba had began to hold nuclear missles, from the USSR, which was heavily contested by the United States. The closest part of the Cold War to there being a nuclear conflict. -
1973 Oil Crisis
The Organization of Arab Petroleum Exporting Countries proclaimed an oil embargo that globally affected world oil prices and nearly tripled US oil costs. -
Invasion of Grenada
Operation to restore a constitutional government in Grenada. Although successful in removing the military coup, the United Nations saw it as a violation of international law. -
Gulf War
The United States' response to Iraq's invasion of Kuwait, another instance of America's involvement in foreign affairs. -
The Soviet Union Collapses
The Cold War ends with the USSR dissolving, ending the Cold War and leaving the United States as a dominant world power. -
Start of The War On Terror
After the 9/11 Plane Hijackings, the United States invades Afghanistan. -
Invasion of Iraq
Led to the collapse of the Iragi government for the reasons of spreading democracy and disarmament.
