Due to construction of the transcontinental railroad, immigration to the western United States during the 19th Century MAINLY involved workers from

Question

Responses
A Australia.Australia.
B China.China.
C India.India.
D Italy.

Answer 1

B China.China.

Chinese immigrants primarily came to the western United States during the construction of the transcontinental railroad in the 19th century, as they were a significant source of labor for this massive project.