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.
President George W. Bush signs amendments to the Act in July 2006. Congress enacted major amendments to the Voting Rights Act of 1965 in 1970, 1975, 1982, 1992, and 2006. Each of these amendments coincided with an impending expiration of some of the Act's special provisions, which originally were set to expire by 1970.