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originated in a papal bull issued in 1455 that permitted the Portuguese monarchy to seize West Africa. Following Columbus’s infamous exploratory voyage in 1492, sponsored by the king and queen of the infant Spanish state, another papal bull extended similar permission to Spain. Disputes between the Portuguese and Spanish monarchies led to the papal-initiated Treaty of Tordesillas (1494), which, besides dividing the globe equally between the two Iberian empires, clarified that only non-Christian lands fell under the discovery doctrine.3 This doctrine on which all European states relied thus originated with the arbitrary and unilateral establishment of the Iberian monarchies’ exclusive rights under Christian canon law to colonize foreign peoples, and this right was later seized by other European monarchical colonizing projects. The French Republic used this legalistic instrument for its nineteenth- and twentieth-century
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Roxanne Dunbar-Ortiz (An Indigenous Peoples' History of the United States (ReVisioning American History, #3))