Sentence:  Tarzan would have liked to subdue the ugly beast without <WSD>recourse</WSD> to knife or arrows. So much had his great strength and agility increased in the period following his maturity that he had come to believe that he might master the redoubtable Terkoz in a hand to hand fight were it not for the terrible advantage the anthropoid's huge fighting fangs gave him over the poorly armed Tarzan. 
Meaning of the word marked with <WSD> tags:  The act of seeking assistance or advice.