Why did tenskwatawa and Tecumseh work together?

Tenskwatawa, also known as the Prophet, and his brother Tecumseh collaborated to unite various Native American tribes against the encroachment of European settlers on their lands. Tenskwatawa provided a spiritual foundation and vision of Indigenous unity, while Tecumseh focused on military strategy and political organization. Their alliance aimed to resist colonization, preserve their cultures, and reclaim their territories. Together, they sought to create a confederation that could effectively challenge American expansion.