What type of immigrant policy did the U. S. have until the 1880s?

Thus, as the number of immigrants rose in the 1880s and economic conditions in some areas worsened, Congress began to pass immigration legislation. The Chinese Exclusion Act of 1882 and Alien Contract Labor laws of 1885 and 1887 prohibited certain laborers from immigrating to the United States.

Explanation:

frederick the great and the war of austrian succession. frederick william of brandenburg-prussia trained his son, frederick, to be a hardy soldier. he also declared himself king of bohemia, and maria theresa sent troops to retake bohemia. in august he led 80,000 of these men across the frontier into bohemia, his