Throughout history language has done a great job of uniting people, since they are able to communicate and share stories that bring them closer together. It has also divided, however, since people who speak a certain language can sometimes feel a sense of national or ethnic pride that leads to violence against people who speak other languages.
Answer: Fifty five percent of the land in Africa is unsuitable for any kind of agriculture except nomadic grazing. ... About 16% of the land has soils of high quality and about 13% has soils of medium quality.