President Johnson entered the Vietnam War because he
believed in the domino theory.
The Gulf of Tonkin Resolution allowed President Johnson to
take all necessary measures to defend against armed attacks on U.S. forces.
Operation Rolling Thunder was a
sustained bombing campaign against North Vietnam.
President Truman agreed to aid France's efforts to regain control over Vietnam because he
feared the spread of communism in Southeast Asia.
President Eisenhower's domino theory was based on the idea of
The Geneva Accords
divided Vietnam into two countries.
During the Vietnamese election of 1956
Ngo Dinh Diem refused to participate.
President Johnson escalated American involvement in Vietnam by
ordering airstrikes and commiting troops.
Operation Rolling Thunder
began a sustained bombing campaign.
American soldiers used Agent Orange
disrupt the enemy food supply.
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