United States History Question of the Day

South Vietnamese troops during the Tet Offensive in Saigon
(Source:Wikimedia
Commons--public
domain)
Question 0100111:
During the 1968 Tet Offensive
(A) North Vietnamese and Vietcong forces
launched major attacks on U.S. and South Vietnamese positions
throughout South Vietnam
(B) U.S. warships were allegedly fired
upon in the Gulf of Tonkin
(C) South Vietnamese President Ngo Dinh
Diem was assassinated in Saigon
(D) B-52 bombers launched a massive air
attack on Hanoi and Haiphong in North Vietnam
(E) American forces secretly invaded
Cambodia