How was the union able to win the civil war? Give detail factor that lead to the union victory over the confederacy?

There was a manufacturing base and higher population in the North. That simple, the Confederacy was doomed from the start

1. more men
2. more manufacturing
3. more railroads

Abe Lincoln was a better leader than Jefferson Davis. And Grant was a better strategist than Lee.

I'm not going to give detail of anything, that's why you have homework. However, the North had unlimited production and manufacturing capability. It had huge amounts of logistics, like railroads. It also has a lot more manpower it could draw on than the South.

cotton.