Answer:
how is the U.S. government an example of a federal system? The United States is a federal system because power is divided between a national government and 50 state governments. ... Powers of the government that is not fully explained in the Constitution but is implied in order to carry out expressed powers.
Explanation:
According the the Homestead Act of 1862, the only two valid answers are A. Settlers had to promise to avoid contact with American Indian tribal lands and D. Settlers had to improve the land (e.g., by buying a house) to keep it.