Respuesta :
Prospering on the regional trade of copper, ivory, and slaves along the Congo River, the kingdom's wealth was boosted by the arrival of Portuguese traders in the late 15th century CE who expanded even further the slave trade in the region.
Prospering on the regional trade of copper, ivory, and slaves along the Congo River, the kingdom's wealth was boosted by the arrival of Portuguese traders in the late 15th century CE who expanded even further the slave trade in the region.