Sentence:  When the Achaeans entertained Wednesday last at their annual Carnival masquerade ball , Miss Margaret Pierson was chosen to <WSD>rule</WSD> over the festivities , presented at the Muncipal Auditorium and chosen as her ladies in waiting were Misses Clayton Nairne , Eleanor Eustis , Lynn Chapman , Irwin Leatherman of Robinsonville , Miss. and Helene Rowley . 
Meaning of the word marked with <WSD> tags:  exercise authority over; as of nations