Respuesta :
I'm pretty sure its C since immigrants are known as hard workers and contributed a lot to the Industrial Revolution. :) Hope this helps!
C) Immigrants were coming from poor conditions abroad and were willing to work for low wages.
Because they came to make a new living in the US, they were willing to do whatever they can to find work and be able to live in the US that they accepted jobs that were underpaid and had poor working conditions.
hope this helps