Why did president johnson decide not to run for reelection in 1968?

By 1968, however, his image had deteriorated severely: His achievements with his plan "The Great Society" and the "space race" were overshadowed by numerous racial disturbances throughout the country after the passage of the Civil Rights Law . The rise of the hippie movements, the "New Left" and black militant organizations caused a major polarization between classes, generations and races.

However, it was the Vietcong conflict that had hit the head of state the most by the end of 1967, there were 500,000 Americans in Vietnam, with around one thousand fallen per month, most of them recruits. In early 1968, Minister Robert McNamara announced an imminent end to hostilities as there was a lower intensity of combat by the North Vietnamese. Johnson's approval only reached 35%, which caused serious doubts about his future at the Oval Hall

Explanation:

hello your answer is d