Because the route was flat and had stops for water .
I hope that's help ! Let me know
The confederacy approved black soldiers
Was one of the first acts in American History that began to limit immigration, showed how Americans were beginning to shift away from the "mixing pot" mentality and moved towards isolationist attitudes and a feeling of superiority over the less wealthy nations of the world. This attitude has continued today and immigration is still a big issue.
Because of the lack of strong middle class.
