Question

under 1920s immigration acts, limits on immigration were introduced based upon _. wealth nationality age

Explanation:

In the 1920s, U.S. immigration acts like the Emergency Quota Act of 1921 and the Immigration Act of 1924 set limits based on nationality. These acts aimed to restrict immigration from certain regions, particularly Southern and Eastern Europe, and favored immigrants from Western and Northern Europe. Wealth and age were not the primary factors for these restrictions.

Answer:

B. nationality