Need more information sorry.
<span>A. The final period of the Roman Republic was marked by factional struggles and civil wars, while the pax Romana was characterized by peace and the flourishing of Roman culture and public works.
Is the correct answer
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They helped move stuff around to trade and they needed little food and water to survive.
The Declaration of Independence, which officially broke all political ties between the American colonies and Great Britain, set forth the ideas and principles behind a just and fair government, and the Constitution outlined how this government would function.