问题详情

In Paragraph 4, why does the author give details about various legislative acts that were passed by Congress？
A．To discuss the government"s successful attempts to put an end to squatting.
B．To describe how the U.S. government provided incentives for people to move west.
C．To demonstrate that western territories were subject to the same laws as the rest of the country.
D．To show that there were many barriers to becoming a landowner in the west.请帮忙给出正确答案和分析，谢谢！