Slaves worked field and worked hard to get plants(like cotton) for their owners to sell. The more slaves there were, the more plants were picked, so the economy was better.
A quipu, or knot-record (also called khipu), was a method used by the Incas and other ancient Andean cultures to keep records and communicate information. In the absence of an alphabetic writing system, this simple and highly portable device achieved a surprising degree of precision and flexibility.
So that they can check each other to make sure that they aren't being corrupted. But if you ask my opinion they are both corrupt beyond repair.
<span>Following statements describes the forbidden city:
It was surrounded by walls and a moat.
</span><span>It was a private world, set apart for the imperial court .
</span><span>It was the emperor's home, office, and retreat.</span>
It's '<span>inherited genes'.
</span>John locke, considered to be the founder of modern educational philosophy, conceived the theory of 'inherited genes'
