Antitrust and Trade Regulation laws aim to promote free competition in the marketplace. Agreements or cooperative efforts by two or more entities that affects or restrains competitors is illegal under these laws. The Sherman Act makes illegal any contract, combination, or conspiracy in restraint of trade or commerce and makes monopolies and attempts, combinations, or conspiracies to monopolize illegal. The Clayton Act regulate price discrimination, tying and exclusive dealing contracts, stock acquisition and interlocking directorates.
Derby Line is an incorporated village in the town of Derby in Orleans County, Vermont, United States. The population was 776 at the 2000 census. The village is located on the Canada-United States border and is contiguous with the district of Rock Island in the town of Stanstead, Quebec. Notable buildings include the Haskell Free Library and Opera House.