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.
Springfield is an unincorporated community in Fairfax County, Virginia, United States and is a suburb of Washington, D.C. Within Springfield are three census-designated places (CDPs): Springfield CDP, West Springfield CDP, and North Springfield CDP, plus a substantial portion of Newington CDP. All are officially titled Springfield by the United States Postal Service. The Springfield CDP is recognized by the U.S. Census Bureau with a population of 30,417 as of the 2000 census.