The North had a better economic than the South, so the North had more troops to fight the war. The North had railroads, steamboats, roads, and canals for faster transport of supplies and troops.
The encomienda system was a labor system instituted by the Spanish Crown in the American colonies.
Answer: A. Vast, flat deserts made northward travel easier.
Explanation:
I think the last one is correct because Robert created ways trough Missouri River to get faster to the ocean