Q: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
A steel plant in Aliquippa, Pennsylvania was the site of an event that led to a challenge of this law. Chief Justice Charles Hughes wrote the majority opinion in the resulting Supreme Court case against the Jones and Laughlin steel company that upheld the application of this law to interstate commerce. Airlines, railroads, agriculture, and government were exempt from the provisions of this law, which was amended by a law twelve years later that expanded the size of its namesake board among other changes. Heavily amended by the later Taft-Hartley Act, for 10 points, name this act passed in 1935 that established a namesake board to protect labor rights and encourage collective bargaining, sponsored by a New York senator.
A:
History