According to the Passages, Why Does Thomas Jefferson Express Greater

According to the passages, why does Thomas Jefferson express greater confidence about the chances of suppressing slave insurgency in Virginia than Leonora Sansay does about suppressing it in Haiti?

A) Jefferson believed that slaves in the United States were more easily controlled.
B) The rebels in Haiti had already tasted freedom and would not give it up.
C) The former slaves in Haiti vastly outnumbered the white population.
D) American troops were tougher than their French counterparts.