Quantum Windbag
Gold Member
- May 9, 2010
- 58,308
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Tell me about Native American civilizations within North America. I want to understand if there was any and how advance was it.
What did it bring to the world?
This is for the area that is the current United states. I'm bias on this issue, so I'm asking you to help me.
Tell me what you have done for the world.