11: because more railroads= more supplies moving quicker
12: because if you have more money you can buy more guns and ammo plus Pay more troops
14: Disease and lack of food killed the troops
15: They also had many more troops than the south so even though they lost 100,000 more they could bring more troops faster than the south could
I think it was <span> over who would control appointments of church officials, a conflict which is sometimes called the Investiture Controversy. Hope this was useful :P</span>
Communist... hope this helps a lil bit
