Most immigrants coming to America arrived from Ireland and Germany.
Many Irish went to the emerging textile mill towns of the Northeast, while others became longshoremen in the growing Atlantic and Gulf port cities. Half the Germans headed to farms, especially in the Midwest (with some to Texas), while the other half became craftsmen in urban areas.
The correct answer between all the choices given is the third choice or letter C. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.