Sentence:  A more enlightened Conservative prime minister, better attuned to the “one nation” tradition of the party of Disraeli and Macmillan, less in <WSD>thrall</WSD> to Little Englanders, and less intimidated by the peculiarly vicious and Manichaean worldview of the Daily Mail, would have taken a more consensual approach. 
Meaning of the word marked with <WSD> tags:  The state of being under the control of another person.