My answer is Louisiana purchase.
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.
The answer is C; France refused germany's request
3.) They forced the segregation of African Americans and white Southerners.