Sentence:  At the very moment that every attempt is being made to take management out from under the irrationality of anti-trust legislation , a drive is on to abolish collective bargaining under the guise of extending the anti-monopoly laws to unions who want no more than to continue to set wages in the same way that ship operators <WSD>set</WSD> freight rates . 
Meaning of the word marked with <WSD> tags:  fix conclusively or authoritatively