Immigrants MOST contributed to the rapid industrialization of the United States during the early-to-mid 1800s by serving as an inexpensive source of labor.
How did immigrants MOST contribute to the rapid industrialization of the United States during the early-to-mid 1800s?
(1 point)
Responses
By serving as an inexpensive source of labor.
By raising the money needed for investment.
By introducing skilled craftsmanship in cottage industries.
By designing the methods used to mass produce goods.
1 answer