From the mid-fifteenth century to the mid-twentieth century, most of the non-European world was colonized under the Doctrine of Discovery, one of the first principles of international law Christian European monarchies promulgated to legitimize investigating, mapping, and claiming lands belonging to peoples outside Europe. It 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 settler colonialist projects, as did the newly independent United States when it continued the colonization of North America begun by the British

Roxanne Dunbar-Ortiz, An Indigenous Peoples' Hist…, loc. 438581