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  The theory that a political event in one country will cause similar events in neighboring countries.
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  It was according to fall, the end of French military influence in Asia
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  The Geneva accords was a collection of documents relating to Indochina and issuing from the Geneva conference
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  Accordingly, he refused to hold the elections and the separation of north and south soon became permanent.
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  Students for democratic society was a student activist movement in the US that was one of the main representations of the New Left
 https://www.britannica.com/topic/Students-for-a-Democratic-Society
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  From 1958-1968, about 643,000 tons of bombs were dropped on north Vietnam, and a total of 900 US aircraft's were lost during the operation. The operation continued with suspensions, until President Johnson, under increase of domestic political pressure, halted on October 31, 1968.
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  During the lunar new year holiday, north Vietnamese and communist Viet Cong forces launch an attack against a number of targets in south Vietnam
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  The Tet offensive was one of the largest military campaigns of the Vietnam war.
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  My Lai Massacre was the Vietnam war mass murder of unarmed Vietnam's civilians by US troops in south Vietnam
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  Johnson stunned the nation with 2 surprise announcements. He will stop the bombing in north Vietnam to negotiate a end the war and he would not run for re-election
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  The republican nominee, former vice president Richard Nixon, defeated the democratic nominee incumbent vice president Hubert Humphrey.
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  Where some 400,000 young people assembled in 1969 for a rock music festival.
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  The Cambodia was a series of military operations conducted in eastern Cambodia during 1979
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  Kent state shootings was the shooting of unarmed college students by members of the Ohio national guard at Kent state university in Kent, Ohio during a mass protest against the bombing of Cambodia by US forces
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  The fall of Saigon was the capture of Saigon, the capitol of south Vietnam, by the people army of Vietnam and the national liberation front of south Vietnam.
