The north launched an offensive against the south that lead to the overwhelming of the south and the fall of Saigon.
I think it was <span>Ricardo Rodolfo Maduro Joest
Hope this helps c:</span>
<span>a. Warlords, Japanese occupation, and European control
</span>What three challenges faced the Guomindang in the 1930s?
NOT:
b. The Great Depression, leadership rivalries, and the communists
c. Peasant rebellions, warlords, and the communists
<span>d. Japanese occupation, the communists, and warlords</span>