The geographic factor that was most important to the development of the early River valley civilization would be the river. this is because it gave them fertile soil to grow crops. 2 people found this useful
Answer:
Several factors contributed to the fall of the Western Roman Empire, including the socioeconomic and political instability of the empire, the Germanic invasion and the invasion of other so-called "barbarian" tribes, the rapid rise of the Eastern Roman Empire, and more.
Answer: I think material wealth
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