3. In the early 1840s, a large increase in the migration of American settlers west of the Mississippi River was
sparked by
a. the abolition of slavery in the Deep South.
b. Indian tribes regaining land east of the Mississippi River.
c. the economic depression that began in 1837.
d. a widespread rejection of the concept of manifest destiny.
e. Mexico’s sale of California to the United States in 1840.
4. Between 1840 and 1845, how did most emigrants travel to new lands in Oregon?
a. They used wagon trains.
b. They rode in coal-powered trains.
c. They traveled entirely on foot.
d. They traveled on horseback.
e. They used riverboats.
5. By what means did the first Americans establish landholdings in Texas?
a. illegal squatting in borderlands that were considered disputed territory
b. legal purchase of land, as long as they became Mexican citizens
c. land grants to Catholics from American Catholic missionaries in the region
d. management of ranches owned by absentee Mexican landlords
e. as terms of a treaty signed following the Texas revolt
6. Why did slavery become more central to American politics in the 1840s?
a. The Methodist Church, the nation’s largest denomination, called on all its members to free their slaves.
b. Territorial expansion raised the question of whether new lands should be free or slave.
c. Members of the abolitionist Republican Party, formed in 1844, insisted on debating slavery.
d. President John Tyler’s antislavery policies caused a major proslavery backlash led by John C. Calhoun.
e. As the 1848 constitutional deadline for ending the African slave trade drew near, Americans became
obsessed with slavery.