The artificial political boundaries the Europeans created in Africa did not take into consideration the existing groups, often separating groups or placing enemy groups together in the same territory.

Ethnic groups

Explanation:

Africa is a very diverse continent with many ethnic groups such as the Igbo, Yoruba, Tswana, Hausa, Zulu and Xhosa. These tribes speak different distinct languages and have rich individual culture.

The partitioning of Africa by the Europeans did not care about these tribes as they only cared about getting more land. This led to groups being separated across borders such as with the Tswana of South Africa and Botswana.

It also placed enemy groups in the same country such as the Tiv and Junkun people which has led to many conflicts in Africa.

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question - in 1827, john walker, a druggist in a small english town, tipped a splint with sulphur, chlorate of potash, and sulphid of antimony, and rubbed it on sandpaper, and it burst into flame. the druggist had discovered the first friction-chemical match, the kind we use to-day. it is called friction-chemical because it is made by mixing certain chemicals together and rubbing them. although walker's match did not require the bottle of acid, nevertheless it was not a good one. it could be lighted only by hard rubbing, and it sputtered and threw fire in all directions. in a few years, however, phosphorus was substituted on the tip for antimony, and the change worked wonders. the match could now be lighted with very little rubbing, and it was no longer necessary to have sandpaper upon which to rub it. it would ignite when rubbed on any dry surface, and there was no longer any sputtering. this was the phosphorus match, the match with which we are so familiar. according the paragraph what was the benefit of the new phosphorus match? it burst into flame when rubbed on sandpaper. it was made by mixing chemicals. it could be ignited on any dry surface. it threw fire in all directions.

answer - matches required natural chemicals