The spread of Islam to sub-Saharan African was linked to trans-Saharan trade: Islam spread via trade routes, and Africans converting to Islam increased trade and commerce. ... Muslim merchants conducting commerce also gradually spread Islam along their trade network.
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The D-Day invasion, or Normandy landings, were the landing operations of the Allied forces as part of Operation Overlord in World War II. The landings began on June 6, 1944, and they marked the beginning of the liberation of German-occupied Western Europe from Nazi control.
