they were very violet during the time of the mongolian empire , they took over land constantly
Go to this link it will help https://quizlet.com/30701643/the-american-revolution-chapter-4-flash-cards/
The colonial powers had a lasting effect on the continent of Africa. In the area of natural resources,the imperialist embarked on an exploitation drive that did not look at the needs of the local population, a modus operandi that was copied by the current african governments. The separation of communities and incorporation of hostile communities into one sphere of influence resulted to the current wave of ethnic politics,tensions and violence. however, the colony also substantially benefited from European technologies in such areas as telecommunication, transport and health. The campaigns that had ended up in the abolition of slavery also was better enforced in the continent.
I would say d as I have found a few sites calming something similar to d but that's just my best guess (if you want to look it up I just looked up "the renaissance")