Throughout the Late 1950s, Which of the Following Hindered Ngo

Throughout the late 1950s, which of the following hindered Ngo Dinh Diem's chances at political success in South Vietnam?

A) He was Roman Catholic whereas the majority of the peasants were Buddhist.
B) He was a weak leader who was afraid to use heavy-handed tactics on the opposition.
C) The United States did not politically support his leadership.
D) During his first years in office, he failed to stabilize South Vietnam.