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.
Columbus Junction is a city in Louisa County, Iowa, United States. The population was 1,900 at the 2000 census. It is part of the Muscatine Micropolitan Statistical Area. A large Tyson Foods plant is located in the city. Columbus Junction is also home to a historic swinging bridge.