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
D. <span>A primary source is written by someone who saw the event, but a secondary source is not.
</span>
What are the answers? i would like to help if i know the answer choices