Closed shops were declared illegal by the ◻ Taft-Hartley Act.◻ Norris-LaGuardia Act. National Labor Relations Board in 1929.◻ U.S. Supreme Court in 1938.
Closed shops were declared illegal by the ◻ Taft-Hartley Act.◻ Norris-LaGuardia Act. National Labor Relations Board in 1929.◻ U.S. Supreme Court in 1938.
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