Guns germs and money they had better weapons, diseases that native Americans had never been in contact with and they were able to bribe some of them into helping them and giving up land
Civilians did things such as mend clothing for soldiers, make ammunition from household silver, and many women followed their husbands to the battlefield where they washed, mended, and cooked for troops. Very few were able to fight in combat, but some women did.
The correct answer among all the other choices is Lack of weapons and livestock. These factors led to the fall of the empire of Ghana. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
D. He lets them camp under his ears in bad weather.