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.
Newcastle (also New Castle) is an unincorporated community in southwestern Iron County, Utah, United States. It lies along State Route 56 southwest of the city of Parowan, the county seat of Iron County. Its elevation is 5,312 feet (1,619 m), and it is located at 37°40′0″N 113°32′58″W / 37.666667°N 113.54944°W / 37.666667; -113.54944 (37.6666413, -113.5494060). Although Newcastle is unincorporated, it has a post office, with the ZIP code of 84756.