They used accurate observations in their work.
I believe the answer is Mongols
I think it’s India but I’m not for sure sorry
Answer:
victory of a seasoned U.S. expeditionary force under Major General William Henry Harrison over Shawnee Indians led by Tecumseh's brother Laulewasikau (Tenskwatawa), known as the Prophet.
Explanation:
In a confederal government, states function independently of one another.