<span>In 1862, President Lincoln's Emancipation Proclamation opened the door for African Americans to enlist in the Union Army. Although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792. President Lincoln had also feared that if he authorized their recruitment, border states would secede from the Union. By the end of the war, approximately 180,000 African-American soldiers had joined the fight.</span>
The First World War destroyed empires, created numerous new nation-states, encouraged independence movements in Europe's colonies, forced the United States to become a world power and led directly to Soviet communism and the rise of Hitler.
Towns often developed near oases because it was easy access to water and they could farm there.
The description best fits the kingdoms of Ghana and Songhai is the trading states of West Africa. Back then, the kingdom of Ghana and Songhai was really famous around the world for their Gold Resources. A lot of European merchants came to these kingdom to do a trade
