how did us labor unions treat chinese immigrants in the 1800s?

U.S. Labor union did not allow Chinese immigrants to become members.

Explanation:

Labor unions in the United States are organizations that are formed by workers from various industries that are recognized under "US labor law". Labor union opposed immigrants because they thought that the American workers will be undermined.  

In the 1850’s, Chinese immigrants established Chinatowns in cities mainly on the western coast of the United States as U.S. Labor union did not allow Chinese immigrants to become members. In 1882, American government passed “Chinese Exclusion Act” to stop Chinese immigrants from becoming American citizens.

answer; people where able to travel across the u.s.a faster than any other mode of transportation,travel time was about a week,from coast to coast

then your answer is a

hoped that