The question of whether slavery would expand or end moved to the center stage of American politics in the 1840s A. as a result of U.S. territorial expansion. B. because Canada was expanding slavery. C. because Mexico was expanding slavery. D. because abolitionists held a majority of seats in Congress. E. because proponents of Manifest Destiny opposed slavery.

The question of whether slavery would expand or end moved to the center stage of American politics in the 1840s A. as a result of U.S. territorial expansion. B. because Canada was expanding slavery. C. because Mexico was expanding slavery. D. because abolitionists held a majority of seats in Congress. E. because proponents of Manifest Destiny opposed slavery.

	A.	as a result of U.S. territorial expansion.
	B.	because Canada was expanding slavery.
	C.	because Mexico was expanding slavery.
	D.	because abolitionists held a majority of seats in Congress.
	E.	because proponents of Manifest Destiny opposed slavery.