Question

among which continent the slave trade took place​

Answer 1

on Africa continent slave trade took place

Answer 2

The Transatlantic slave trade is the one which took place between the 16 and the 19th century among Europe, America and Africa.

As it included three countries therefore referred to as the triangular slave trade where cash crops, slaves, manufacturing goods etc were traded.

This is how the three countries worked mutually with one another.