Answer:
Southern and Eastern Europe.
Explanation:
This wave of immigration lasted from 1866-1915 and brought 25 million to the United States, mostly from southern and eastern Europe. "Pushed" out of Europe by economic hardship and political persecution and "pulled" to the United States by the availability of jobs, these immigrants entered the country through gateways like Ellis Island and settled in America's teeming cities to take jobs made available by the Second Industrial Revolution.
I am not 100% sure but I know it is not B. because I did the test myself but, he was a Southern Democrat so I personally would pick D. because that is the only one that seems fathomable.
The ones in red I’m not really sure about but fit the best. Hopefully you have a textbook you can refer back to.
May you please add what your choices are? it is a little hard to answer without any information.