Answer: From the Mongol period on, then, we can speak about a Eurasian if not a global ... importance of trade from the very earliest times and, unlike the Chinese, they ... The major lessons that Chinggis Khan learned from the hardships of his early ... This policy became one that generated much animosity from the peasant ranks.
The reason they built the pyramids next to the Nile River was so it would be easier to get the blocks to the pyramid. The stones could be bought nearer to the pyramid building site by boat.