The Iranian hostage crisis
Answer:
Drawing on documents, such as the Virginia Declaration of Rights, state and local calls for independence, and his own draft of a Virginia constitution, Jefferson wrote a stunning statement of the colonists' right to rebel against the British government and establish their own based on the premise that all men are created equal and have the inalienable rights of life, liberty, and the pursuit of happiness.
Gorbachev implemented a ton of radical reforms, which is just one of many things that led to the fall of the Soviet Union. Also, 1991 is the year the Cold War ended.
