Answer:
1. The Chinese Communist Party and Chinese Nationals worked together as the First United Front.
2. Chinese Nationalsists purged the Chinese Communist Party from their organization, known as the White Terror.
3. The Chinese Communist Party and Chinese Nationalists worked togerhter to deal with the growing threat of Japan.
4. The Chinese Communist Party and Chinese Nationalists wage a civil war against each other.
Explanation:
That is describing what the character does so it is C. It couldn't be A because it isn't a part of the story. It couldn't be B because it isn't a problem. It lastly couldn't be D because it's not a message the author is trying to convey to the reader.
A. a system that allowed people to work in return for passage to america
