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.
Crystal Lake is a city located in southeastern McHenry County in northeastern Illinois. It is named after Crystal Lake, a lake 1.6 miles (2.6 km) west-southwest of downtown. Crystal Lake is also a suburb of the city of Chicago. The population was 38,000 at the 2000 census, but as of 2008 the population is at 41,797. Crystal Lake is the biggest city in McHenry County.