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.
Naco is a census-designated place (CDP) in Cochise County, Arizona, United States. Its population was 833 at the 2000 census. It is across the United States–Mexico border from Naco, Sonora. The Naco port of entry is open 24 hours per day. The present-day town of Naco, Arizona was established in the early 1900s. The area was originally settled by Opata Indians. Naco means "cactus" in the Opata language.