Sentence:  The threat of effective <WSD>anti-trust</WSD> action , provoked by `` gouging the public '' through price increases not justified by cost increases , and fears of endangering relations with customers , Congress , the general public and the press , all operate to keep price increases in some relation to cost increases . 
Meaning of the word marked with <WSD> tags:  of laws and regulations; designed to protect trade and commerce from unfair business practices