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.
South Amana is an unincorporated community in northern Iowa County, Iowa, United States. It lies along U.S. Route 6 east of the city of Marengo, the county seat of Iowa County. Its elevation is 778 feet (237 m). Although South Amana is unincorporated, it has a post office with the ZIP code of 52334, which opened on 19 June 1874.