The Americans thought that Napoleon might withdraw the offer preventing the United States from acquiring New Orleans at any time, <span>, so they agreed and signed the Louisiana Purchase Treaty on April 30, 1803. On July 4, 1803, the treaty reached Washington, D.C..</span>
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There were changes in both social and living conditions.
One of the aspects of the hunter-gatherer lifestyle was that those are/were roughly egalitarian societies, with little social order and relative gender equality - the opposite is the case in case of the the settlers.
Also, hunter-gatherers have less seasonal lifestyles than the settled agrarian people, who would often perform actions almost a year before they could claim any benefits from them.