They didn't use slaves. In fact, they freed slaves they found in confederate areas. These slaves followed the Union forces to stay safe.
the civil war of which country?
One of them was the James River.
yes
during the civil war the south and the north have in common that they use machines,they used boats for transportation and they had plantations.
Contrabands were runaway slaves in the North.
The north doesn't grow cotton, but, it has a lot of industry. The south's use of cotton, (and their need of slaves), and their limited industry helped lead to the civil war and the south's defeat.
Attrition.
She was a slave who led other slaves to the north through the Underground Railroad, which is not a real Railroad. This was during the Civil War period where the north disliked the use of slaves.
They used the Monitor in Monitor vs Merrimack. They used boats to transport the soldiers to the Peninsular Campaign,
The Civil War was fought during the ninteenth century.
I don't know trolol
The Southerners states to make history and culture. The southerners states did not have salves.