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 Lyndon Johnson signs the historic Civil Rights Act of 1964. Behind him stands the Reverend Martin Luther King Jr. (Wikimedia Commons) President John F. Kennedy proposed the initial civil rights act. Kennedy faced great personal and political conflicts over this legislation. On the one hand, he was sympathetic to African-American citizens whose dramatic protests highlighted the glaring gap between American ideals and American realities.