The closing ceremony of the Second Vatican Council in St. Peter Square on Dec. 9, 1965. Forty bishops pledged to forsake worldly goods, but the agreement was largely ignored. Pope Francis' emphasis on helping the poor has revived talk about the Pact of the Catacombs. Keystone-France/Gamma-Keystone via Getty Images hide caption

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Members of Doctors Without Borders demonstrated in Geneva, after U.S. forces bombed the organization's hospital in the northern Afghanistan city of Kunduz. Fabrice Coffrini/AFP/Getty Images hide caption

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