Explanation:
union advantages:
1. they had many railroads to get them around faster/ deliver supplies to troops faster
2. had most of the natural resources like coal iron and gold
3. Had alot of industry/factories to build supplies
union disadvantaged
1. they were unfamiliar with most of the land they were invading
2.if they went into the southern area their weren't many railroads to get them supplies down there
3. they would have to cover a lg. area of land
confederacy disadvantaged
1. Didnt have a lot of industry
2. Didnt have a lot of railroads
3 Didnt have a political system in place
confederacy advantages
1. had some of the best military leaders fighting for them
2 were only defending their territory, not invading into the north
3. they were very accented with their land so they had good hiding spots that helped fight off the union