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.
Macomb is a city located in McDonough County, Illinois founded in 1830. It is situated in western Illinois southwest of Galesburg at 40°27'38" North, 90°40'27" West (40.460501, -90.674048). As of 2000, the city had a population of 21,659. It is the county seat of McDonough County. According to the United States Census Bureau, the city has a total area of 10.2 square miles, of which, 9.9 square miles (25.5 km²) of it is land and 0.4 square miles (1.0 km²) of it is water. The total area is 3.90% water; the East Fork La Moine River flows past the northern part of the city. Macomb is the home of Western Illinois University.