I belive the answer is b. <span>the negative consequence an element has for the stability of the social system.
</span>
European Emigration to the U.S. 1851 - 1860
Although the Irish potato blight receded in 1850, the effects of the famine continued to spur Irish emigration into the 20th century. Still facing poverty and disease, the Irish set out for America where they reunited with relatives who had fled at the height of the famine.
They should treat them equal like they are Americans and let the right emigrates in. By show they have good records and lead them with free passage into our country.
The answer is A ! Hope this helps
I think it's mostly because the promise of wealth and power
hope this helps