The war of 1812 was also known as the second war of independence.
They helped with social reforms such as race, sex, etc
On constitution talk about this.
A.) more factories and money
The North and the South had pretty equal army sizes during the war. The North had a big industrial industry during this time. The Confederacy had 1/9 of industrial capacity compared to the North at the start of the war.
Hope this helps.