Which of the following was an advantage held by the north during the civil war

The Civil War in the 1800s were caused by the drift of North and South of the US. The North had many advantages in the awr because most cities were centers of wealth and manufacturing are located in the area. Aside from this, a lot of cities had many skilled workers compared to the south where people are mostly farmers.

The North side also had three-fourths of the nation’s wealth and they were well able to produce a bigger army that consisted mostly of black soldiers who used better equipment supplies to fight the war.