Why was the tet offensive considered the turning point in the vietnam war?
a. it convinced americans that the war wasn't nearly over.
b. it broke the military strength of the united states in vietnam.
c. it convinced americans that the war was winnable.
d. it broke the military strength of the vietcong.

The correct answer is 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.