In the Amazon, most are descended from groups who escaped the depradations of the rubber boom, a period of barbarous development that began in the late 19th century and continued well into the 20th.

亚马逊地区的大多数原始居民都是从橡胶掠夺中幸存下来的族群的后代，这股橡胶掠夺的野蛮风潮起始于19世纪晚期并一直延续到20世纪。

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