CO would be Carbon Monoxide
The dynasties created gunpowder, porcelain, and paper currency which would benefit the economy. Politically, people were able to move around the empires, many cities gained a higher population, thus leading to a social advancement.
Hi :)
This would be False, always have a copy of your resumé in case there is a need for it.
Hope this helps!
Yes, Spain did control the Incas and Aztecs for gold so he could promise the Spanish for the gold. (He promised them thats why he took over)