An Act to limit the immigration of aliens into the United States. The Emergency Quota Act, also known as the Emergency Immigration Act of 1921, the Immigration Restriction Act of 1921, the Per Centum Law, and the Johnson Quota Act (ch. 8, 42 Stat. 5 of May 19, 1921) restricted immigration into the United States.
However, more than 70% of all immigrants reached New York City, which became known as the "Golden Door." Most immigrants arriving in New York came to the Castle Garden depot near the tip of Manhattan in the late 1800s.
Because of how strong the attack was
The chemical elements with atomic numbers greater than 92, which is the atomic number of uranium.
All of these elements are unstable and decay radioactively into other elements.
D. Because south america is the closest to equatorial africa.