Sentence:  The Providence Daily Journal answered the Daily Post by stating that the raid of John Brown was characteristic of Democratic acts of violence and that `` He was acting in direct opposition to the Republican Party , who proclaim as one of their cardinal principles that they do not <WSD>interfere</WSD> with slavery in the states '' . 
Meaning of the word marked with <WSD> tags:  get involved, so as to alter or hinder an action, or through force or threat of force