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.
Sabula is a city in Jackson County, Iowa, United States. The population was 670 at the 2000 census. It is the site of Iowa's only island city. It has a beach and campground. The Army Corps of Engineers constructed many locks and dams on the Mississippi River. The construction of Lock and Dam #13 between Clinton, IA and Fulton, IL in 1939 left Sabula an island .