How did the Columbian Exchange affect the slave trade? o It encouraged communication about the evils of slavery. It caused Europeans to stop enslaving American Indians. o It allowed people to be enslaved and transported to the Americas. 0 It caused the demand for enslaved laborers to decline.

Its C pretty sure

Explanation:

Because It says that they need a trade system that goes to the Americans and that's how they made the Columbian trade. Also they needed slaves in the Americans so they traded slaves to the Americans.  

i do not believe this was true indefiantly the native americans would have lsot aganist america one they didndt have the resources and allies that america had and 2   indians werent as advanced at the time as they were not 3 americans had the expreince because some of the soliders from other wars fought in that war and were attecked etc