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.
Barstow is a small, rural unincorporated community in Calvert County, Maryland located immediately west of Prince Frederick. The community maintains its own separate zip code, 20610. The new Calvert County Fairgrounds are located in Barstow, moving from their original location in central Prince Frederick in the late 1990s.