Circle ,navigation,geometry,shapes
Alphabet
cuneiform
hieroglyphs
pictoglyphs
It was against Native American rights.
C. Federalism
What is funny, is I'm am learning about this in school too!
The best mood to describe the world when the cold war has ended is optimistic.
Optimistic for a new future without war, to live free, make decisions and see the world.
I hope this answered the question you have given