What was the cause of most conflicts between us troops and american indians in the 1800s?
us exploration of american indian lands
us attempts to trade with american indians
american settlement on american indian lands
american efforts to capture runaway enslaved people

American settlement on American Indian lands

Explanation:

There were many conflicts between the American and native Indians but were usually resolved with treaties. But it become hostile since the 1800's and resulted in the war. The natives Indians fought against the aggression of American troops which want to gain control on their lands. The Expansion of the settlers in the north and shift of the native Indians west of Mississippi by the Indian Removal Act was one reason. Secondly the British were supplying arms to native Indians to limit the American forces.

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