Answer:
The slave trade had devastating effects in Africa. Economic incentives for warlords and tribes to engage in the slave trade promoted an atmosphere of lawlessness and violence. Depopulation and a continuing fear of captivity made economic and agricultural development almost impossible throughout much of western Africa.
Explanation:
I think it’s number 2 I’m not sure all the way
Yes, it is true that the plentiful food production brought about by farming along the Tigris and Euphrates Rivers allowed Mesopotamian villages and towns to develop in this way, since they did not need to import crops or good, and because they didn't need to move frequently to find food.
The answer would be : ranchers' refusal to use technology. During the late 1880s, the technologies began to rapidly developed within the industry. But back then, a lot of ranchers are really comfortable in using traditional ways (using slaves) and they refuse to use technology
