Monroe made four basic points: (1) the United States would not interfere in the internal affairs of or the wars between European powers; (2) the United States recognized and would not interfere with existing colonies and dependencies in the Western Hemisphere; (3) the Western Hemisphere was closed to future colonization; and (4) any attempt by a European power to oppress or control any nation in the Western Hemisphere would be viewed as a hostile act against the United States.
Answer:
By the passage of the National Origins Act of 1924
Explanation:
The United States government changed immigration restrictions during the !920s by the passage of the National Origins Acts in 1924 which introduced an immigration quota system of 2% of each nationality represented in the 1890 census.
