The Spanish had the most negative impact on Oklahoma. Each of them could have had a positive impact on the area by avoiding exploitation of the aboriginals and disseminating knowledge about art, religion, culture, and technological advancements among the original inhabitants of the area.
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The Spanish carried out violent and derogatory expeditions of the area in search of gold and silver and devastated many settlements.
They employed conquistadors to forcefully get information about the gold and silver reserves in the area.
The cleared lands to carry out the search for gold and silver deposits in the area.
The French, the Americans, and the Spanish could have built good ties with the aboriginals and could have achieved the development of the region.
