This type of genocide has continued into the twentieth century, with the ongoing genocide of indigenous tribes in the rain forests of South America primarily due to industrial progress and the development of resources within their territories; as these regions are exploited for economic gain the indigenous peoples are considered a "hindrance" and are forcibly relocated or killed.[7][8]
^"The pioneer genocide scholar Vahakn Dadrian introduced the concept of "utilitarian genocide" in a landmark 1975 article, "A Typology of Genocide." He identified five "ideal types" of genocide, based mainly on the primary objective of the perpetrator:
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