As you can see, the WORLD BANK keeps tabs on Africa as it is considered/calculated as a resource for them. Europe, esp. U.S are OVER CONSUMERS. It has caused to many lives:

minerals such as cobalt:

rechargeable battery electrodes, and in superalloys used to make gas turbine engines..to make airbags in automobiles; catalysts for the petroleum and chemical industries; cemented carbides (also called hardmetals) and diamond..For the Defense Department in temperature-resistant alloys for jet engines, in magnets — used for things like stealth technology and electronic warfare — and …Cobalt is a key component in lithium-ion rechargeable batteries. Nearly three-quarters of the world's supply is mined in the Congo under HORRIFIC CONDITIONS. Siddharth Kara documents the HUMAN RIGHTS and ENVIRONMENTAL CATASTROPHE in the Congo in his new book, Cobalt Red: How the Blood of the Congo Powers Our Lives.