SAT US History Practice Question

All of the following are reasons for the anti-immigrant sentiment that resulted in the quota system of the 1920s EXCEPT

1. A.the demand for unskilled labor in American factories decreased as World War I ended.
2. B.many Americans perceived that anarchists and socialists were immigrating from Europe and contributing to social unrest in the United States.
3. C.racist ideas that held Jews, Slavs, and Italians as inferior gained credence in the United States.
4. D.some Protestants feared that the United States would change for the worse because of the influx of Catholics and Jews.
5. E.immigrants often took positions as indentured servants, which undermined the earning potential of American wage workers.