Sentence:  Whatever we felt about the redcoats , we respected them in terms of their trade , which was killing ; and I know that I , myself , was nauseated with apprehension and <WSD>fear</WSD> and that my hands were soaking wet where they held my gun . 
Meaning of the word marked with <WSD> tags:  an emotion experienced in anticipation of some specific pain or danger (usually accompanied by a desire to flee or fight)