How did the United States gain its independence? rebellion
revolution
raids
civil war

The United States gained its independence from Britain by winning the Revolutionary War (1775–1783). This is in contrast to Canada, which gained its independence from England in a gradual and peaceful way. The American colonies had gotten along with the mother country fairly well for most of the relationship.

#2

Explanation:

answer; researchers typically cannot control people's sexual behaviors as would be necessary in an experiment;

c. reserves power to the states and people