This material has been classified by the International Agency for Research on Cancer (IARC) as a Group 2A agent. Group 2A - The agent is probably carcinogenic to humans. [IARC Monographs on the Evaluation of the Carcinogenic Risk of Chemicals to Humans. - Supplement 7, World Health Organisation, 1987].
The Dawes Act of 1887, sometimes referred to as the Dawes Severalty Act of 1887 or the General Allotment Act, was signed into law on January 8, 1887, by US President Grover Cleveland. The act authorized the president to confiscate and redistribute tribal lands in the American West.
The Immigration Act, also known as the Hart-Celler Act, was signed by President Lyndon B. Johnson 50 years ago on Oct. 3 and took full effect three years later.