In the second half of the 19th century, the U.S. government allowed more immigrants into the country MAINLY because

Question

Responses
A more soldiers were needed in the American military.more soldiers were needed in the American military.
B industries needed an increasing amount of cheap labor.industries needed an increasing amount of cheap labor.
C the World War in Europe was causing millions to flee their homelands.the World War in Europe was causing millions to flee their homelands.
D western territories needed more settlers to explore for gold and silver.

Answer 1

The correct answer is B: industries needed an increasing amount of cheap labor.

During the second half of the 19th century, the U.S. experienced rapid industrialization, which led to a high demand for labor. This demand was met by an influx of immigrants, many of whom were willing to work for lower wages in factories and industrial jobs.