The first question is: republicans.
The second: Republicans want to cut government programs and the Democrats increase taxes for the wealthy.\
the last one is very positive, so it's most likely to bis his campaign ad:)
Building techniques improved, iron became more common, and hydraulics were used to dig riverbeds deeper. So less floods happened that destroyed farms and endangered lives.
Answer:
Immigrants to work in steel mills
Explanation:
I don't know if I'm right, but it sounds like it. There was more immigration from Europe, so they must need those immigrants to take jobs at steel mills, to produce munition plants, and to work at stockyards. This is just my best guess.
