Slave rebellions in the pre-Civil War South were comparatively infrequ

Slave rebellions in the pre-Civil War South were comparatively infrequent because of all of the following reasons EXCEPT

A) slaves were outnumbered by whites.
B) whites were firmly united against slaves.
C) slaves were concentrated on huge plantations where they were easily policed.
D) there were few places for slaves to escape to.

ANSWER
C