Problem: The bacillus causing tuberculosis, M. tuberculosis, was identified and described on 24 March 1882 by Robert Koch. He received the Nobel Prize in physiology or medicine in 1905 for this discovery. Koch did not believe the bovine (cattle) and human tuberculosis diseases were similar, which delayed the recognition of infected milk as a source of infection. Later, the risk of transmission from this source was dramatically reduced by the invention of the pasteurization process. Koch announced a glycerine extract of the tubercle bacilli as a "remedy" for tuberculosis in 1890, calling it "tuberculin". While it was not effective, it was later successfully adapted as a screening test for the presence of pre-symptomatic tuberculosis. The World Tuberculosis Day was established on 24 March for this reason.
Koch's conviction that human and bovine strains of TB were unrelated meant more people were exposed by drinking what?
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Answer: milk


Problem: Thirty-nine Native American tribal governments are based in Oklahoma, each holding limited powers within designated areas. While Indian reservations typical in most of the United States are not present in Oklahoma, tribal governments hold land granted during the Indian Territory era, but with limited jurisdiction and no control over state governing bodies such as municipalities and counties. Tribal governments are recognized by the United States as quasi-sovereign entities with executive, judicial, and legislative powers over tribal members and functions, but are subject to the authority of the United States Congress to revoke or withhold certain powers. The tribal governments are required to submit a constitution and any subsequent amendments to the United States Congress for approval.
Who must approve tribal constitutions?
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Answer: the United States Congress


Problem: After a lull during the period of modern architectural dominance (roughly post-World War II until the mid-1980s), neoclassicism has seen somewhat of a resurgence. This rebirth can be traced to the movement of New Urbanism and postmodern architecture's embrace of classical elements as ironic, especially in light of the dominance of Modernism. While some continued to work with classicism as ironic, some architects such as Thomas Gordon Smith, began to consider classicism seriously. While some schools had interest in classical architecture, such as the University of Virginia, no school was purely dedicated to classical architecture. In the early 1990s a program in classical architecture was started by Smith and Duncan Stroik at the University of Notre Dame that continues successfully. Programs at the University of Miami, Andrews University, Judson University and The Prince's Foundation for Building Community have trained a number of new classical architects since this resurgence. Today one can find numerous buildings embracing neoclassical style, since a generation of architects trained in this discipline shapes urban planning.
Why does modernism shape urban planning?
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Answer:
unanswerable