In the case of William Hague I suspect both motivating forces.
To a certain extent these questions have been motivating forces in Western music as well, even when it seems most subjective.
She had always decidedly been a woman of action, and she had often used such feelings as motivating forces.
In the 1960s and 1970s, two new schools emerged that emphasized the primacy of ideas as motivating forces in history (rather than material self-interest).
His theory concentrates on the importance of internal job factors as motivating forces for employees.
Michel Ledoux investigates the function and motivating forces of art in Corps et Création, published by Les Belles Lettres in their 'Confluents psychanalytiques' series.
Whim, tragic error and greed are motivating forces, investigators say.
Mr. Smithson's ecological thinking, along with Atget's photographs of the parks around Paris, were motivating forces behind this show.
Instead, the consultants say their role is to plumb the unconscious of managers and executives, trying to identify motivating forces, never forgetting the premise that an individual's forgotten past can shape his or her behavior in the present.
Terrorism and a Romeo-and-Juliet romance are motivating forces.