The purpose of the tet offensive was to
overthrow north vietnam
spark a popular uprising in south vietnam
capture the u. s. marine base at khe sanh
kill as many of the enemy as possible

The purpose of the Tet Offensive was to spark a popular uprising in South vietnam. Option B is correct.

On January 31, 1968, North Vietnam launched a very significant invasion of South Vietnamese urban centers, known officially as the Tet Offensive. The goal of the offensive was to severely damage the United States and South Vietnamese forces and also to drive an uprising against the government of South Vietnam.

the anwser is a) to prevent military conflict