Smoking became very popular.
Changed diet kept people from starvation.
Corn fed livestock grew in places where other plants couldn't grow in
Mongols favored trade even before Ghenghis khan, they hunted/herded very few were weapon makers or potters/weavers, many items they needed to living had to be traded. As Ghenghis khan rose to he realized the Mongol army was gonna need many things for battles. To facilitate trade Ghenghis offered protection to merchants that came from east and west, offered higher status for merchants allowed by the Chinese or Persians who despised trade and traders.
The US Constitution is referred to as the supreme law of the land.
Answer:
Eastern edge of Great wall was Pyongyang in North Korea in ancient, but Dandong is edge now
Explanation:
It will inflant
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