There were many reasons. For starters, it involved getting rid of a large number of Native Americans, and while some supported this, others opposed it as they were peaceful. Another thing was that this meant the introduction of new states and it deepened the division based on whether the states should be slave states or non-slave states. Also they involved war with Mexico and some wanted this and some didn't.
The right answer is: The Americas :)
During the war, France was supported by troops from Huron, Mississauga, Ojibwa, Winnebago, and Potawatomi tribes.
The correct answer is D) "Population in rural areas grew faster than urban areas".
After the <em>Treaty of Guadalupe Hidalgo</em>, where Mexico ultimately gave the US control of Texas in exchange for an economic compensation, the border between both countries was established at the Rio Grande.
This finally paved the way for immigrants to come to Texas and settle in the lands where cotton production was possible, resulting in a rapid growth of rural populations.