As a result of the war of 1812, many american indian groups made alliances with settlers. lost their land to settlers. continued to fight settlers. worked together with settlers.

The consequences of the War of 1812 are complex, especially with regard to how the Native Americans were affected. However, some generalizations can be made regarding the impact on these populations.

Britain supported the integrity of Native American territories to contain the newly independent United States from further Westward expansion and to have a buffer zone between allied Native American territories and Canada. The vast majority of Native American tribes and nations that participated in the war were allied with the British. Naturally, they did not benefit from the United States' victory. 

Following the war, the British pivoted toward better trade and political relations with the United States, and thus did not want to continue arming US-hostile Native American tribes or take other steps to limit westward expansion. Having lost a powerful ally and faced with an emerging and quickly expanding United States, many Native American groups migrated, rather than continue to fight the settlers on their land.

The best answer is C) lost their land to settlers.

During the War of 1812, many American Indian groups were affected as they:

lost their land to settlers.

Explanation:

The War of 1812 had various consequences such as:

complexity with regard to the effect on Native Americans.future generations or populations were also impacted.the support of Britain integrated the Native Americans for new independence, which create a buffer zone between American territories and Canada.

The reason for incorrect options:

The American Indian groups were not made into alliances with settlers, rather their land was taken.The fight was not continued after the lands were taken during the war.The American Indian groups were not allowed to work together with the settlers rather their land was taken without any compensation.

Therefore, as a result of the War of 1812 the American Indians groups lost their land to settlers.

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Democracy and darwinism would be my answer.