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.
Dunsmuir is a city in Siskiyou County, California, United States. The population was 1,923 at the 2000 census. It is currently a hub of tourism in Northern California as visitors enjoy fishing, skiing, climbing, or sight-seeing. During steam engine days, it was notable for being the site of an important Central Pacific railroad yard, where extra steam locomotives were added to assist trains on the grade to the north.