After the united states purchased the louisiana territory, america’s western boundary shifted to the which is a(n) boundary.
a.

mississippi river . . visible
b.

mississippi river . . political
c.

rocky mountains . . physical
d.

rocky mountains . . imaginary

The 13th amendment ended slavery in the united states. what would be the best reason congress decided to amend the constitution to make this practice illegal? a) congress felt all women deserved the right to vote. b) congress felt slavery was ethically and morally wrong. 'c) congress believed everyone should have us citizenship. d) congress believed abraham lincoln should have amended the constitution.