Because History has many secrets and everyday historians are finding out more about history than we could have ever imagined. plus history is always changing so there is always gonna be something new thatsomeone could learn from history
I'm pretty sure this statement is true, but you may want to do some research on it. <span />
The term "Potlatch" came from the tribes of the Pacific Coast, though all tribes held celebrations. Overall, the answer that fits best is Pacific Coast.
