Sentence:  The result of the sending of these notices confirms me in the opinion, that it will be necessary to adopt legal means with the great majority of these parties. The circulars have had little effect. In fact, the parties have been “<WSD>circulared</WSD>" into the notion that nothing more formidable will ever be sent to them. 
Meaning of the word marked with <WSD> tags:  To distribute circulars to or at.