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.

abraham lincoln, according to anyone who was connected with agriculture, represented the worst of northern politicians. shortly after lincoln was elected, south carolina seceded from the union. they along with other southern states, retained their anger. in a way, it was their own fault: the democrats were split in the south. some wanted slavery to be extended in other states that were about to join the union and some didn't want it badly enough. lincoln had a solid backing from his party: the republicans were united in not wanting slavery to be expanded.

the answer is flapper.

branliest and you.