Original sentence: Three elements have been important in holding the Communion together: First, the shared ecclesial structure of the component churches, manifested in an episcopal polity and synodical government; second, the principle of belief expressed in worship, investing importance in approved prayer books and their rubrics; and third, the historical documents and standard divines that have influenced the ethos of the Communion
Edited sentence: Three elements have been important in holding the Communion together: First, the shared ecclesial structure of the component churches, manifested in an episcopal polity maintained through the apostolic succession of bishops and synodical government; second, the principle of belief expressed in worship, investing importance in approved prayer books and their rubrics; and third, the historical documents and standard divines that have influenced the ethos of the Communion