Final answer:
The British support for Native American uprisings exacerbated tensions with the American colonies, as it reflected a British interest in limiting colonial expansion to protect Native lands, contributing to the decision for the American Revolution.
Step-by-step explanation:
The British support of Native American uprisings on the western frontier contributed significantly to the decision to go to war. This support increased tensions between the British and the American colonies, as it was clear that British policies, like the Royal Proclamation of 1763, were protecting the interests of Native Americans and limiting colonial expansion westward. The fear among Indians was that an American victory would mean a greater loss of land through expansion. As a result, most Indian tribes and nations supported the British in the hope of preserving their territories. The British use of Native American alliances as a buffer and a way to enforce their policies led to greater unrest among colonists and fueled the desire for independence, ultimately contributing to the decision to engage in the Revolutionary War.