Question

Which of the following statements best describes the main reason
Southerners supported the annexation of Texas?
(A) They wanted a safer route across the country.
(B) They wanted new seaports to help trade with Asia.
(C) They wanted better access to trade with Mexico.
(D) They wanted more territory and land where slavery had been
established.
(E) They felt annexation would aid in Native American relocation.

Answer 1

The statement that best describes the main reason Southerners supported the annexation of Texas would be that "(D) They wanted more territory and land where slavery had been established," since this was during the era when the issue of slavery was decided by "popular sovereignty" in each new state.