Why was the Tet Offensive considered the turning point in the Vietnam War?

AIt convinced Americans that the war wasn't nearly over.
BIt broke the military strength of the United States in Vietnam.
CIt convinced Americans that the war was winnable.
DIt broke the military strength of the Vietcong.

Verified Answer :

The correct answer isĀ a. It convinced Americans that the war wasn't nearly over.

American citizens were led to believe that the communists were losing the war and that everything would end soon. This offensive showed everyone how complex and difficult the situation was and in turn led to loss of support for the war effort by the public.