Which of the following statements best describes the main reason

Southerners supported the annexation of Texas?

AThey wanted a safer route across the country.
BThey wanted new seaports to help trade with Asia.
CThey wanted better access to trade with Mexico.
DThey wanted more territory and land where slavery had been

established.

EThey felt annexation would aid in Native American relocation.

Verified Answer :

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.