Sentence:  that convention of Russian ballet whereby the girls convey the idea that they are all the daughters of impoverished Grand Dukes <WSD>driven</WSD> to thestage out of filial piety , is totally absent from the Kirov . 
Meaning of the word marked with <WSD> tags:  to compel or force or urge relentlessly or exert coercive pressure on, or motivate strongly