How was the atlantic slave trade beneficial for merchants in europe? a. they had a new market in west africa for their manufactured goods. b. they improved relationships with merchant sailors. c. they had a source of free labor in the slaves they traded for. d. they lowered expenses with new materials gained from africa.

The first map shows colonial powers and their holdings (1945). the second map shows human development worldwide. compare the two maps. what do the maps indicate about regions that gained independence in the second half of the twentieth century? they differ in their development patterns. they are as developed as their colonial powers. they are more developed than their colonial powers. they remain less developed than their colonial powers.