Answer:
The working class. (cliche)
Explanation:
"The May 4th Movement furthered the spread of Marxism, and the working class appeared on the stage of history as an independent political force. The integration of Marxism with the workers movement gave birth to the CPC. The founding of the CPC was an earth-shattering even that brought new vitality to the Chinese revolution."
Answer: The Communist Party and the Red Army were recreated during Japan's conquest of China.
