Treason, Bribery, or other High Crimes and Misdemeanors.
The Sumerians which was an ancient civilization from Mesopotamia were believed to be the first people to make and use a wheel. This invention is vital to many conveniences we have today :)<span />
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The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders
Explanation: hope this helps
I’m assuming you’re talking about the Spaniards and the Aztecs. If not correct me and I’ll fix the answer. Basically it was, Disease (smallpox) More advanced weapons. The spanish language. Catholicism. Domestic animals, sugar, grain, and they helped end the practice of human sacrifice.