Complex sentence: As Deng Xiaoping gradually gained control over the CPC, Hua was denounced for promoting the Two Whatevers policy and replaced by Zhao Ziyang as Premier in 1980, and by Hu Yaobang as Party Chairman in 1981.
Split into simpler sentences: As Deng Xiaoping gradually gained control over the CPC, Hua was denounced for promoting the Two Whatevers policy. He was replaced by Zhao Ziyang as Premier in 1980, and by Hu Yaobang as Party Chairman in 1981.