Why Did Lyndon Johnson Fail to Build Public Consent for the Actions

Why did Lyndon Johnson fail to build public consent for the actions he took during the Vietnam War?

A) He refused to announce his decisions and the rationales behind the escalation of the war to the American public.
B) He met secretly with North Vietnamese Communist leader Ho Chi Minh to negotiate a settled peace agreement.
C) He defied congressional authority and sent in greater numbers of U.S. troops to South Vietnam.
D) He offended many of his supporters by boasting that, as the strongest military power in the world, the United States could crush a Communist rebellion in a "pissant" country of peasants.