Which pair of events most clearly illustrates the perceived "credibility gap"
related to the Vietnam War?

A. Government officials claimed that a majority of Americans
supported the war, but the news showed major antiwar protests.

B. President Kennedy claimed that he was sending advisers to Vietnam, but he had already drafted thousands of men to serve as
soldiers.

C. President Nixon signed peace accords with the North Vietnamese,
who then attacked the South Vietnamese city of Saigon

D. President Johnson announced that the war was going well, and
then the North Vietnamese launched the Tet Offensive.