Single choice: A/Multiple choice: A & C
Explanation:
The reason for this was because of:
1. Both helped developed the Midwest by Giving free, or very cheap land to people moving out west
2. One was being dependent on developing the West by making new cities In the West, thus also making new Markets.
3. If the Settlers in the West were making new cities, then That also gave the railway companies more stops to develop, which would also make them more money With the transportation of raw, or manufactered goods, and the transporting of paying passengers.
Hope this helps out, if it doesn't then tell me so.
