The Nile River supplied a constant water source and fertile land around it that could be used for farming, which is important because pretty much everywhere else on the African continent is desert
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That would be Pennsylvania <span />
A town meeting is usually held at town hall. Some towns have them once a month
Galileo confirmed copernicus' theories on the universe with noting that the Earth did indeed revolve around the Sun and not the other way around as was thought at the time. With this he opposed the church dogma at the time.
The answer would be Thomas Jefferson