What deterred many slaves from attempting to escape? their family member were often on the same plantation their masters were required to reward them for good behavior they did not have the necessary skills to survive off the plantation there were continually monitored by guards on the plantation

Answer,

Their family members were often on the same plantation.

Explanation,

Enslaved people worked on a plantation with their family members, so they usually weren't too keen on running away. Instead they found other ways to deal with being enslaved, such as negotiating incentives with the plantation owners or finding a way out of forced labor.

HTH :-)

a.   it resulted in widespread unemployment.