Which of the following does the author describe as a main consequence of slavery?
A.
Africa’s economy was destabilized.
B.
New diseases were introduced to Africa.
C.
Africans had to find new jobs and homes in America.
D.
The foundation for modern-day racism was established.

I believe the answer is D. I have not read this text but that seems like the most logical answer.

Cherokee  removal, part of the trail of tears, refers to the  forced  relocation between 1836 and 1839 of thecherokee  nation from  their lands ingeorgia, south carolina, north carolina, tennessee, texas, and alabama to the indian territory (present day oklahoma)  in  the thenwestern united states, and the resultant deaths