American Indians who lived in the West O traded their manufactured goods with settlers.
O were able to resist diseases carried by settlers.
O offered their services as guides to settlers.
O prevented settlers from moving onto their territory.

O offered their services as guides to settlers.

Explanation:

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c. troops marched forward in close formation against newer, more accurate weapons

what are two things that greatly the american economy after the war? the huge buildup of u.s. military the beginning of the korean conflict the creation of the gi bill the marshall plan for nations