1. approximately how many years did humans live in ancient china before they learned how to farm.

2. approximately how many years did farmers exist in china before the xia dynasty.

How did the mexican war of independence differ from the american revolution? o a. only the american revolution was concerned with establishing a representative form of government. o b. only the mexican war of independence required military conflict to achieve its objectives. o c. only the american revolution succeeded in replacing a monarchy with another form of government. o d. only the mexican war of independence eliminated spanish colonial control over part of north america.