In the johnson administration, who had pushed for u. s. escalation but later concluded that the u. s. should seek negotiations? wayne morse john foster dulles robert mcnamara john f. kennedy

Robert McNamara

Initially argued for "massive retaliation" toward enemies of the US. He argued for military buildup and involvement in the Vietnam War. McNamara began to question US involvement and began a study on military in Vietnam. This study is now referred to as the Pentagon Papers. 

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Ibelieve the answer is (a) true.