It B, communism. thats the the same thing russia did
The purpose of this bombing was three-fold: to boost South Vietnamese morale, to cut down infiltration of Communist troops from the north, and to force Hanoi to stop its support of the insurgency in South Vietnam. ... The bombing campaign, code-named Rolling Thunder, began in March 1965 and lasted through October 1968.
It would require the federal government to provide jobs and he did not want people getting used to that