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  April 12, 1945 – January 20, 1953
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  People began to fear the spread of communism after WWII. The red scare lasted till the early 1950s.
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  Founded to prevent war and keep peace. The Unite Nations replaced the League of Nations.
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  The Truman Doctrine provided $400 million in economic and military aid to Turkey and Greece to protect from the direct threat of communism.
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  Provided financial aid to postwar Europe to prevent from the threat of the spread of communism into Europe.
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  NATO was an alliance formed between the US and Wester European countries in efforts to prevent the spread of communism.
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  Senator Joseph McCarthy started to accuse people of being communists with little to no evidence to back his accusations. This lead to a long and relentless witch hunt, creating paranoia and uneasiness throughout the nation.
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  The Korean War was a battle between communist North Korea and democratic South Korea. The US sent in troops to help South Korea in order to stop the spread of communism.
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  January 20, 1953 – January 20, 1961
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  The Vietnam War was a fight against communism that the US got involved in. After the US troops got pulled out Vietnam fell to communism.
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  January 20, 1961 – November 22, 1963
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  A failed attempt to overthrown the communist Cuban government in which the US trained Cubans for the attack.
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  USSR placed missiles in Cuba so they could be closer to the US in case that wanted to attack. This was extremely close to causing a nuclear war.
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  November 22, 1963 – January 20, 1969
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  John F Kennedy was assassinated while making a public appearance in Texas.
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  January 20, 1969 – August 9, 1974
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  January 20, 1981 – January 20, 1989
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  Communist countries began to fall and change their way of governing.
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  January 20, 1989 – January 20, 1993
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  The Persian Gulf War was fought to ensure the flow of oil from the middle east to US and it allies.
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  The Soviet Union's communist government fell.
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  January 20, 1993 – January 20, 2001
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  NAFTA opened trade up between the US, Canada, and Mexico.
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  January 20, 2001 – January 20, 2009
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  Four US commercial planes were hijacked. Two went into the Twin Towers in New York City, One hit the Pentagon Building, and the other crashed into a field in Pennsylvania.
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  In response to the 9/11 Terrorist Attack, US sent troops into Afghanistan.
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  As the threat grew, the US sent troops into Iraq to protect the security of the US.