The union had several advantages over the Confederacy, such as having more men, factories, railroad tracks, and more telegraph lines.
Http://www.dummies.com/education/history/american-history/american-preparation-for-world-war-ii/
You're welcome xP
They face the problem called: "Overthrowing of governments."
Answer:
popular sovereignty
Explanation:
let states decide wether or not to allow slavery. hope this helps ! :)
