Answer: Roosevelt was a leader of the Progressive movement, and he championed his " Square Deal " domestic policies, promising the average citizen fairness, breaking of trusts, regulation of railroads, and pure food and drugs. He made conservation a top priority and established many new national parks, forests.. etc
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.
Pretty sure it's d bc they got away from just God so either c or d
So they can grow stuff fast and make more money that way
