The black slaves helped the union in two ways. First, they escaped from the South bringing the confederate's economy down. And second, most of the blacks joined the Union army to help win the Civil War.
union
Approximately 2.5 million to 2.75 million Union troops served in the American Civil War.
The union had many troops no one knows the exact amount!
54% of union soldiers died
Iowa provided food, troops and supplies to Union forces during the Civil War. 76,000 troops from Iowa served in the war.
Approximately 360,000 Union troops and 258,000 Confederate troops died during the American Civil War.
The DuPont company of Delaware supplied explosives such as gunpowder to the Union in the US Civil War. The company was located in Delaware and was guarded by Union troops during the war.
The number of black Union troops is usually given as 180,000, out of about 2.1 million total Union troops.
Only 50,000 Union troops were enlisted on the basis of the draft laws. The Union states continued to raise troops who were volunteers.
There were approximately 2.2 million Union troops throughout the entirety of the Civil War. Only about half of these were native-born Americans.
Sherman commanded the Union troops that captured Atlanta in September 1864.
Disease and accidents.