Anyone with less than 50 percent blood quantum was given their land outright because they were considered capable of using land in the “correct” way. Those considered “full bloods,” or nearly full bloods, had their allotments held in trust; they were seen as still “too Indian” to be trusted to manage their lands independently and needed federal supervision. So their land would be held in trust for twenty-five years, at which point they were allowed to sell it. The rest of the land in the area subject to allotment was then made available to settlers, who had to meet various criteria to complete
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