- Historical Eras > Modern America (1914-1929) (x)
- Theme > Immigration and Migration (x)
- Item Type > Quantitative Data (x)
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In the years after World War I, Congress passed the Quota Act of 1921, followed by the Immigration Act of 1924, also known as the Johnson-Reed Act. The 1924 Act established a quota for the total number of immigrants allowed per annum at [...]
Proponents of eugenics believed that various forms of "social inadequacy", including mental illness, criminality, and physical handicaps, were the result of inherited genetic traits. Some studies, such as this one from 1922, attempted to link these [...]
The charts below measure the number of immigrants entering the United States from Cuba and Puerto Rico during the early twentieth century. Cuban immigration spikes during the earliest years of the twentieth century, when the U.S. repeatedly [...]
This chart shows the numbers of Mexican immigrants entering the United States between 1900 and 1940, as counted by the U.S. Bureau of the Census.