Sentence:  The campaigns themselves will take up as many books; and therefore I apprehend it would be hanging too great a weight of one kind of matter in so flimsy a performance as this, to <WSD>rhapsodize</WSD> them, as I once intended, into the body of the work ... 
Meaning of the word marked with <WSD> tags:  To recount or describe (something) as a rhapsody, or in the manner of a rhapsody.