Sentence:  It is not impossible that this bold attempt to wrest from this State and Nation, so large and important a frontier territory; with the insidious arts, and unblushing <WSD>finesse</WSD> and chicanery, with which the British pretensions have been managed, may yet awaken the American people from their apathy on the subject— ... 
Meaning of the word marked with <WSD> tags:  Skill in the handling or manipulation of a situation. (from c. 1520)