The main difference between federal and confederal systems of governments is that "C.In<span> a federal system there is centralized authority, while in a confederal system power is distributed equally among the states," with the United States operating within a "federal" system.</span>
Answer:
In many ways but in a genrally fanstsy
Explanation:
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The irrigation systems helped to water crops in large fields and make sure rivers don't overflow or [under-flow]<span />