Question

chinas economic expansion after the cultural revolution is a result of
new capitalist reforms.
new political reforms.
new trade reforms.
new socialist reforms.

Explanation:

China's post-Cultural Revolution economic expansion stemmed from reforms starting in 1978 that were framed as socialist with Chinese characteristics, introducing market-oriented changes within a socialist framework, not capitalist, purely political, or only trade-focused reforms.

Answer:

new socialist reforms.