Why did portugal finance explorations around the continent of africa in the 1400s?
select the best answer from the choices provided.
a.
to locate regions where the slave trade was already established
b.
to establish trading posts to trade for raw materials from the americas
c.
to establish colonies for people wanting to leave portugal
d.
to find a water route to countries involved in the spice trade

How did the invention of the cotton gin affect slave labor in the united states? a. there was a forced migration of slaves from the south to the north. b. slave-owning cotton planters were gradually forced to sell their plantations. c. more slaves were purchased to work on cotton plantations in the south. d. the reduced need for labor on cotton plantations led to a decline in slavery. e. slaves were moved from cotton plantations to sugar plantations.