In 1969, when Richard Nixon assumed the presidency, he announced a new policy regarding the Vietnam War known as the Nixon Doctrine.
This doctrine sought to reduce the U.S. military presence in Vietnam while still providing assistance to South Vietnam. The policy also aimed to shift the combat burden to the South Vietnamese forces, while maintaining U.S. support in the form of military equipment, training, and economic aid. The doctrine also included a commitment to seek diplomatic solutions to the conflict, such as a negotiated settlement. Ultimately, the Nixon Doctrine failed to bring an end to the war and the U.S. involvement in Vietnam continued until 1973.
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