Why did the native americans located in the ohio valley form a confederation

a. so that they would be granted statehood
b. to prepare for war with the british
c. to try and stop settlers from moving further west
d. to support general wayne

Option C.

Explanation:

To try and stop settlers from moving further west, is the right answer.

The confederation of Native Americans in the region of Great Lakes of the U.S. that started to develop in the early phase of the 19th century encompassing the pedagogy of Tenskwatawa is known as the Tecumseh's Confederacy. The main reason why they began forming a confederation was that it was their attempt to stop settlers from moving further west.

we need the chart or check box