Perry’s defeat of the British fleet on the lake meant that British supply lines across Lake Erie were cut.

The British garrison at Fort Malden — and the Native warriors alongside them — were cut off from resupply.

General Henry Procter, who commanded the British forces after Brock’s death, concluded that the position was untenable.

He would retreat up the Thames River into Canada’s interior.

Tecumseh was outraged.

His argument was direct: you are abandoning the territory that the confederacy has been fighting to defend.

You are running from an army that has not even engaged you.