Question: what legislation limited the power and influence of labor unions
Answer: The Labor Management Relations Act of 1947 29 U.S.C. § 141 - 197 better known as the Taft -- Hartley Act , ( 80 H.R. 3020 , Pub. L. 80 -- 101 , 61 Stat. 136 , enacted June 23 , 1947 )