C. i would think eeeeeeeeee<span />
In general, yes, immigration during 1830s to 1840s was vital to the industrialization of America, since it was mostly immigrants who first sought employment in the factories that were an essential element of industrialization.
The law was a Nazi implementation of the Aryan Paragraph, which called for the exclusion of Jews and non-Aryans from organizations, employment and eventually all aspects of public life.
They were tortured to death