Answer:
The capital city of this empire was Tollan-Xicocotitlan, while other important cities included Tulancingo, and Huapalcalco, although some more distant cities like Chupícuaro, Chichen Itza, and Coba seem to have been under Toltec control or influence at some point.
Yes ( but it is called a rubix cube not rubio cube)
They are at the top because they are the wealthiest and have to most authority
Most of the cultural divides that took place in norther Africa due to the geography had to do with proximity to the water, with the tribes closer to the water more likely to be disturbed by colonists.
I think its because of power or it commands more of respect or it was for decoration for the helmet. i hope this helps you.