What were the contributions of african american during ww1?

African American's contributions during the WWI were a big impact. As we know that even though slavery was outlawed in the north the African American people were still being treated poorly by whites and others. But as they joined the fight in our military it gave our military a great advantage as we can see that African american people are very skilled in fighting so we had a great advantage. 

South carolina was so angry about the election of lincoln that they seceded from the union on december 20, 1860. they attacked fort sumter later, on april 12, 1861.