"Native Americans" ate anything they could find.
That's about the first fact in this thread
The European settlers also ate anything they could find. Including their own dead, when they were starving.
Thanksgiving romanticizes the "Pilgrims." The reality is that the first Thanksgiving came about because the natives taught them how to grow crops in shiity soil and how to gather food. For the first time since settlers had arrived from England, the settlers thought they weren't going to starve to death during the winter. So they celebrated.
