Answer:
The United States Colored Troops (USCT) were regiments in the United States Army composed primarily of African-American (colored) soldiers, although members of other minority groups also served with the units. ... The USCT regiments were precursors to the Buffalo Soldier regiments in the American Old West.
Size: 175 regiments; 178,000 men
Engagements: American Civil War
Explanation:
