"To lead the force" means to be in charge or take command of a group of people, usually with authority and influence, guiding them towards a common goal or objective. Full definition
Who leads this force and keeps it focused on your best interests? (realtormag.realtor.org)
Robert Altman and Francis Ford Coppola, arguably the two pivotal figures of American cinema in the 1970s, both rose from the turmoil of the transition from studio - based to independent production, to emerge as leading forces in film production as well as film style. (parallax-view.org)
Johnny Depp leads the forces of crime and dishonesty with his typically offbeat portrayal of Sands. (markreviewsmovies.com)