Original sentence: Aimed primarily at an openness to the modern world, Vatican II called for a greater participation of the laity in the celebration of the mass.In 1965, Vatican II called for major revisions within the Church with their announcement of a plan of aggiornamento, altering the function of the Church within society.This doctrine posed a significant challenge to churches such as Villanova, as its cruciform design was not easily modified
Edited sentence: In 1965, Vatican II posed a significant challenge to churches such as Villanova, as its cruciform design was not easily modified