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Indigenous people hold a banner calling on Pope Francis to "rescind the doctrine," an apparent reference to the so-called Doctrine of Discovery, a collection of old papal teachings that encouraged explorers to colonize and claim the lands of any people who were not Christian, placing both the land and the people under the sovereignty of European Christian rulers. The incident occurred during a papal Mass at the National Shrine of Sainte-Anne-de-Beaupré in Quebec July 28, 2022. (CNS photo/Guglielmo Mangiapane, Reuters)