Western and Northern Hemispheres.
The discovery of a fault line along the ocean floor
I would have to say maya they <span>spread across what is now Mexico and South America, 200 - 900CE, and developed glyphic writing, as well as using advanced mathematics and astronomy to formulate two distinct calendars</span>
This is false. different sides have different histories
4gtgggghhhhhyhhhuuuuuuuuujjjjjjjkkkk