The ____________ Act, passed in 1890, is the fundamental antimonopoly law of the United States. Marketing Channels and Distribution The ____________ Act, passed in 1890, is the fundamental antimonopoly law of the United States.a. Sherman Antitrustb. Claytonc. Federal Trade Commissiond. Robinson-Patmane. Celler-KefauverAnswer: A Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+