-
The Declaration of Independence
The Declaration of Independence was drafted by Thomas Jefferson, Benjamin Franklin, Roger Sherman, John Adams, and Robert Livingston. This document declared its freedom and independence from Britain, and it is a list of reasons why the 13 colonies wanted to separate. -
Monroe Doctrine
James Monroe created the Monroe Doctrine, which warned the European countries to not intervene in the affairs of the Western Hemisphere. -
World War I
World War I, also known as the Great War in its time, was fought mainly between France, Britain, Italy, Russia, and later the United States. The immediate cause of the war was the assassination of Franz Ferdinand, the archduke of Austria-Hungary. -
Good Neighbor Policy
President Franklin D. Roosevelt took office and was determined to improve relations with Central and South America. So, his foreign policy was known as the Good Neighbor Policy. -
World War II
There is no clear cut cause to World War II, but it is believed it was caused when Japan seized Manchuria from China, and when Germany invaded Poland. These events led Britain and France to declare war on Hitler's Nazi state. The US got involved due to Pearl Harbor. -
Pearl Harbor
The Japanese launched a surprise attack on the US naval base, Pearl Harbor. Pearl Harbor led the US to get involved in WWII. -
Truman Doctrine
Harry Truman established that the US would provide political, military, and economic assistance to all democratic nations under threats from authoritarian forces. -
Marshall Plan
an American initiative to aid Western Europe, in which the United States gave $13 billion (approximately $130 billion in current dollar value) in economic support to help rebuild Western European economies after the end of World War II. -
Korean War
The Korean War was started when North Korea invaded South Korea. The United Nations, with United States as the principal force, came to aid of South Korea. -
9/11
Members a part of al-Qaeda hijacked four airliners and carried out suicide attacks against targets in the United States. Two of the planes were flown into the twin towers in New York City, a third plane hit the Pentagon just outside Washington, D.C., and the fourth plane crashed in a field in Pennsylvania. -
War on Terror
The Bush administration declared a worldwide "war on terror," involving open and covert military operations, new security legislation, efforts to block the financing of terrorism, and more. Essentially it was created to retaliate and fight terrorism.