Answer: My guesses are...
B. Ghana lacked nearby water resources (because of the drought that was put upon them.) and E. Ghana did not have iron weapons and rival nations did.
I hope these are it and I hope that this helps you a little. Sorry if they aren't correct. I truly am sorry if they aren't. Good luck.
the Liberal Democrats and the Labour Party
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.
Unfortunately, you didn't share any following reasons so that someony could choose the correct one, but I am pretty sure that I can help you and name the main factor. Definitely, the point which caused a decrease in the size of the armed forces at the end of the cold war is that the US promised to decrease its armed forces as part of the peacetime agreement. I bet it will help you!