By 1968, a majority of Americans

A-supported Martin Luther King's nomination as US president.

B-were united in support of the Vietnam War.

C-believed that the Vietnam War was a mistake.

D-supported President Johnson's reelection

C - it became politically unpopular and was fueling a social revolution that was bringing to bare other problems. These problems fueled more tension within the country. There was a widespread general defiance of authority that challenged military, police, politicians, education, housing, race relations, and illicit drug use.