Some Southerners Felt Cuba Would Be an Enticing Prospect for Annexation

Some Southerners felt Cuba would be an enticing prospect for annexation for all of the following reasons except it  

A) was not controlled by any European power and would be easily acquired by welcoming Cuban population living on the Caribbean island.
B) was a sugar-rich and economically productive territory.
C) already had a large population of enslaved blacks.
D) could be carved into several states, restoring political balance in the Senate.
E) was located just off the nation's southern doorstep.