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.
Petersburg is a village in Boone County, Nebraska, United States. The population was 374 at the 2000 census. Petersburg is the site of a memorial to Logan Fontenelle, an Omaha chief who was killed near there in a skirmish with Brulé and Arapaho in 1855.