The government responded in 1890 with the Sherman Antitrust Act, which made it illegal for any person or business to monopolize trade, or to contract, combine or conspire to restrict trade.

• 1890年政府通过了“谢尔曼反托拉斯法”，规定任何个人或企业垄断贸易，或通过签约、联合或共谋来限制贸易的行为均属非法。