US government's authority comes from the consent of the people it governs.Governments are instituted among men,deriving their just powers from the consent of the governed.
D Hope that help With your question
Yep they disagreed about wether or not slavery should be legal
The effects or results of westward expansion by white settlers were felt by Native American Indians, who were violently forced to abandon their lands to give up the ongoing expansion in the country, strongly encouraged by Thomas Jefferson. Although Jefferson did not intend to treat the Native American Indians with violence he believed it was an obligation for the US to expand its territory to the west (Manifest Destiny belief)
It allowed them to protect themselves and form a some what form of police