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.
Sidney is a city in and the county seat of Richland County, Montana, United States, less than 10 mi (15.5 km) away from the North Dakota border. The population was 4,774 at the 2000 census. The city lies along the Yellowstone River and is in proximity to the badlands of the Dakotas. Sidney is approximately midway between Glendive and Williston, North Dakota.