What significant legislation was passed in 1924 to restrict immigration in the United States?

The National Origins Act, passed in 1924, was a crucial piece of legislation aimed at restricting immigration to the United States. This act established national origin quotas that significantly limited the number of immigrants from certain countries, particularly those in Southern and Eastern Europe, while favoring immigrants from Northern and Western European countries.

The rationale behind the National Origins Act was rooted in the belief that certain immigrant groups were less desirable than others, reflecting the nativist sentiments and xenophobia prevalent in American society during the early 20th century. This legislation is significant as it marked a shift in U.S. immigration policy, prioritizing a homogenous national identity over diversity and inclusivity.

The act remained in effect until it was repealed in the mid-20th century, which highlights its lasting impact on U.S. immigration policy and the demographics of immigrants arriving in the country during that era.