Why did most of the immigrants who came to america in the late 19th century settle in the cities?

a) city living was spacious, clean, and far from overpopulated.
b) city living was crowded but there were plenty of recreational activities.
c) cities were the cheapest places to live and offered unskilled laborers steady jobs.
d) people had a hard time finding work so they settled into the cities since they could not afford to move.

The correct answer is C. Cities were the cheapest places to live and offered unskilled laborers steady jobs

Explanation:

During the 19th century America experienced what is known as the third episode of immigration in the United States, this implied the arrival of 25 million people from different countries, mainly from Europe and Asia.  These migrants stayed in urban locations (cities) as industry in the country was emerging and there were job opportunities related to coal, textiles, steel, and automotive manufacture, and as a lot of labor force was required to boast America economy these jobs did not require specific abilities or preparation, also, as industrialization was developing and industries were in urban areas or close to them, living in the city was cheaper as different products could be acquired easier than in rural areas.