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.
Erwinna is an unincorporated community located in Tinicum Township, Bucks County, Pennsylvania, United States, with a zip code of 18920. At the 2000 Census the population was 577. It is named after Colonel Arthur Erwin (also "Irwin"), who was a leader in the Bucks County Militia. A concise biography of him has been created by the DAR Chapter bearing his name. Colonel Erwin is said to have supplied many of boats that were used by George Washington and the Continental Army to cross the Delaware on the night of December 25, 1776, en route to the Battle of Trenton the following morning. It is pronounced exactly as it as spelled, "er-WIH-na", though it is sometimes mispronounced "er-WEE-nuh" or "er-WAH-na".