What was the main goal of the costal african kingdoms

a; to get rid of people who caused trouble in their country
b: to have freedom from european kings
c to have europeans move into the african countries
d: to obtain guns and other products from europe
:

The main goal of the coastal African kingdoms to obtain guns and other products from Europe. Option D is the right answer.

Explanation:

The altercation of slaves with guns and firearms in transatlantic trade is noteworthy. African tribes were mostly nomads who fought the battle with a simple crossbow, the introduction of guns in African trade made Africans get lured to the cannons, bullets and firearms.

Transatlantic trade route connected three continents Eurasia, America and Africa. Americans also traded with Africans for sugar and cotton.  

African rulers who started to trade their own men as slaves for the exchange of guns were responsible for the escalation of violence and depletion of Africans due to the slave trade.

the answer should be founding brothers. i hope i you!