Which of the following is not true about the portuguese slave trade?
a. it began with portuguese merchants buying slaves from the king of benin.
b. other peoples along the west coast of africa began to sell captives to the portuguese.
c. the spanish hired portuguese merchants to transport african slaves to the new world.
d. the slave trade accelerated when the portuguese began growing sugar in brazil.
e. the portuguese continued the trans-saharan slave trade to the muslim world.