Tecumseh provided those allies — not just the warriors he personally commanded, but the broader confederacy that agreed to fight alongside the British.

He also provided tactical intelligence, knowledge of the terrain, and a military presence that was psychologically significant as well as practically effective.

In the campaign against Detroit in August 1812, the combination of Brock’s strategic boldness and Tecumseh’s military effectiveness produced a result that astonished observers on both sides: the surrender of General William Hull and approximately 2,500 American soldiers without a sustained battle.

The psychological dimensions of the surrender matter.