Rutherford B. Hades ran for the Republican Party in 1876 and Samuel J. Tilden ran for the Democratic Party.
Because it involved countries all over the world, there was new technology such as chemical warfare, tanks, planes, etc. and it was unrestricted warfare. The countries were attacking civilians as well. Also there were diseases.
During the Cold war, there was a big fear of a possible nuclear attack from the Soviet Union, so when the US wanted to increase its spending on defense, it argued for it by saying that it needed to have better weapons to be able to prevent a possible attack.
Ok so I know that it’s not B or C and the small gardens at each home was New Amsterdam so I think the answer is D