Sentence:  Instead, May, more sheep than shepherd, has feebly allowed herself to be driven ever further towards an extreme, inflexible, take-it-or-leave-it stance for which she has neither <WSD>mandate</WSD> nor credible grounds. 
Meaning of the word marked with <WSD> tags:  (en) An official or authoritative command; an order or injunction; a commission; a judicial precept.