Why was "Indian Territory" (Oklahoma) eventually opened up for white settlement? How
was this land distributed?

it proved indian land claims were unjustified.

monopolies  came to the united states with the colonial administration. the large-scale public works needed to make the new world hospitable to old world immigrants required large companies to carry them out. these companies were granted exclusive contracts for these works by the colonial administrators. even after the american revolution, many of these colonial holdovers still functioned due to the contracts and land

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i dont have that book

ththis should be under spanish