Making permanent the principle of national origin quotas, the Johnson-Reed Act served as the basis for U.S. immigration policy until the MCCARRAN-WALTER IMMIGRATION AND NATURALIZATION ACT (1952).

The Jewish immigrant experience was unique in North American history.

Following the bombing of Pearl Harbor, Hawaii, on December 7, 1941, Japanese Americans and Japanese Canadians were widely suspected as supporters of the aggressive militarism of the Japanese Empire.

For most of the 20th century, Japanese Americans formed the largest Asian ethnic group in the United States.

Jamaicans are the largest West Indian immigrant group in Canada and the third largest in the United States, behind Puerto Ricans and Cubans.