In a sentence or two, explain how the Louisiana purchase lead to more conflicts with native groups

Yet it was the Louisiana Purchase of 1803 that brought the issue of Indian sovereignty into question and initiated an era of court decisions removing many tribes from their established lands east of the Mississippi River. Therefore, 1803–1840 is considered the era of removal.

Explanation:

The Louisiana purchase lead to more conflicts with the native groups because the natives kept being pushed back to the west.

Explanation:

Because some presidents wanted to expand America, the natives didn't like their land just being taken without permission.

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