How is Christopher Columbus indirectly responsible for the Atlantic slave trade?

In an era in which the international slave trade was starting to grow, Columbus and his men enslaved many native inhabitants of the West Indies and subjected them to extreme violence and brutality. On his famous first voyage in 1492, Columbus landed on an unknown Caribbean island after an arduous three-month journey.

Explanation:

i believe the answer would be 1.

answer; the period of time known as the middle ages;