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.
First question: D- people who were living in America at the time, didn't want other people to come in and "steal their jobs". To me, nativism (at the time) was a pretty stupid thing, considering how many of the people who didn't want anyone else coming into the country, were immigrants themselves.
Second question: D is the closest answer, seeing as Roosevelt wanted to improve relations with Central and South America.
Hope this helps!
It essentially brought the New Deal policies to an end because there was such a large leap in the economy. They did add a few things such as wage caps and regulations, hence the creation of insurance. <span />
