Answer: Most of the world's volcanoes are found around the edges of tectonic plates, both on land and in the oceans. On land, volcanoes form when one tectonic plate moves under another. Usually a thin, heavy oceanic plate subducts, or moves under, a thicker continental plate.
Command economy is the answer
It has most of the important companies in the world
Some wealthy Patricians and Plebeians families got together and made a new ruling class that took over the political officers and Rome never became a Democracy.
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