Due to extremely high levels of unemployment and a sense among the public that not enough was being done by the administration to help those who had fallen on hard times during the economically stagnant first years of the Great Depression.
Light does get absorbed, that's why we see black. If nothing reflects, all of the colors in the light gets absorbed into whatever it is hitting and we see black, the absence of light. Even if we see color, the colors that we dont see are being absorbed. When we do see color, it is because that color light gets reflected off of the object.
They were scrapped, as Britain and France hanged up against Wilson to pressurise him into dropping them.
WWII was more involved and global than WWI because WWI was mainly between Europe until the Americans got involved at the very end, While WWII was fought between everyone in Europe, America, Japan, Italy, Germany and the Soviet Union(Russia).