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Il y a 13 heures · I recently visited the Democratic Republic of the Congo , one of the world's most complex humanitarian crises.The DRC is home to the largest reserves of coltan—a mineral used in the smartphones we are glued to—as well as significant quantities of the world's cobalt and copper.
Il y a 13 heures · American Indian Wars. The American Indian Wars, also known as the American Frontier Wars, and the Indian Wars, [note 2] was a conflict initially fought by European colonial empires, and later on by the Confederate States of America, Republic of Texas, Canada, Mexico and the United States of America against various American Indian tribes in ...
