Mao Zedong's Victory in China Was Made Possible in Part

Mao Zedong's victory in China was made possible in part by

A) calling for land reform to win support from the oppressed peasantry.
B) financial and military assistance from the United States.
C) following orthodox Marxist-Leninist ideology.
D) basing his movement on industrial workers.
E) renouncing communism and embracing a purely nationalist program.