Why did Tecumseh join forces with Britain against the US after the Battle of Tippecanoe?

It was the end of his dream of a Native American confederacy. The defeat at Tippecanoe prompted Tecumseh to ally his remaining forces with Great Britain during the War of 1812, where they would play an integral role in the British military success in the Great Lakes region in the coming years.

It was the end of his dream of a Native American confederacy. The defeat at Tippecanoe prompted Tecumseh to ally his remaining forces with Great Britain during the War of 1812, where they would play an integral role in the British military success in the Great Lakes region in the coming years.