Final answer:
The Atlantic slave trade had a significant impact on Africa, leading to the disappearance of smaller states, the rise of new states dependent on the slave trade, and conflicts among African tribes and kingdoms.
Step-by-step explanation:
The Atlantic slave trade had a significant impact on Africa. Smaller states disappeared due to the large number of people enslaved. At the same time, new states arose whose way of life depended on the slave trade. These powerful new states engaged in wars with other African tribes and kingdoms to gain dominance in the slave trade.