Select all that apply. The Tet Offensive .

was a military failure for the North Vietnamese and NLF
set off a popular uprising in South Vietnam
was fought in the countryside
marked a turning point in American attitudes toward the war

marked a turning point in American attitudes toward the war

Explanation:

The Tet Offensive "marked a turning point in American attitudes toward the war."

It was the military offensive attack made by the North Vietnamese on South Vietnam, during the Vietnam war in 1968. While South Vietnam had the United States military supports, the North Vietnamese tried to suppress the rebellion coming from the South, and they did through Tet Offensive. Though it has a lot of casualties, the massive and heavy attacks of the North Vietnamese eventually changed the perception of the American public and resulted in a slow, painful American departure from the war.

d) a constitutional amendment

the answer is a

explanation: