c)free-soilers and slavery advocates
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.
I read everything and I wish I knew the answer sorry. Hope someone can help you
<span>A. they were persecuted in Europe</span>
