Which of the Following Was One of the Reasons Why

Multiple Choice

Which of the following was one of the reasons why some antislavery northerners believed there was a southern conspiracy to extend slavery into the Southwest?

A) Texas was being settled by German, pro-slavery immigrants.
B) Abolitionists had uncovered a plot by southerners to invade Mexico and reinstitute slavery.
C) Slaveholder Andrew Jackson had accepted southern participation in the Battle of the Alamo.
D) There was southern talk of creating an independent nation out of the Texas Territory.
E) President Tyler, a states' rights Democrat from Virginia, maneuvered to arrange the annexation of Texas.