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.
New Castle is a city in New Castle County, Delaware, six miles (10 km) south of Wilmington, situated on the Delaware River, at the head of Delaware Bay. In 1900, 3,380 people lived here; in 1910, 3,351. According to 2006 Census Bureau estimates, the population of the city is 4,836.