This was the third leg of the triangle trade. What was brought to the Americas was weatlh of gold. Later, corn, potatoes, and tobacco.
Drugs became illegal in 1914 when congress passes the Harrison Act banning cocaine and opiates.
The answer is D. Africa had been a land of ethnic tribes that would rise and fall. The colonization of Arica brought settlers, such as the Boers (Dutch), British, Portugueses and so much more.
