Songhai empire
Explanation:
mali was know as the dynastic state in west africa but during the regime of Sonni Ali the Songhai empire surpassed the malian empire in area, wealth and power absorbing vast areas of the mali empire and reached it greatest extent.
At 4 months old, doctors found that Josephine Gilmore had been born with Spinal Muscular Atrophy, a progressive and rare genetic disease that causes a breakdown of the motor nerve cells in the spinal cord, taking away the ability to walk, eat or breathe, KARK-TV reported
Was an American statesman who served as the sixth President<span> of the United States from 1825 to 1829. He also served as a diplomat, a Senator and member of the House of Representatives.</span>
Answer is letter D: it made travel faster and cheaper.