The effect of the Treaty of Fort Stanwix was that It heightened western tensions as more settlers moved into the Ohio Valley and agitated to establish a new colony.
This refers to the treaty that the Iroquois Indians had with the British government as they ceded their lands in the south which was the Ohio Country.
Hence, we can see that one of the main effects of this treaty is that there was increased tension as there was a greater number of settlers they came to Ohio Valley and agitated to establish a new colony.
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