The answer is "<span>Democratic republic".
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A democratic republic is a type of government working on standards received from a republic and a vote based system. As opposed to being a cross between two altogether isolate frameworks, law based republics may work on standards shared by the two republics and democracies.
B- copper and zinc; I had to answer that question yesterday on my quiz
The answer would be George Washington
It depends how far back you are talking about. If you are talking back to the 1700s it would be cotton. If you are talking about a time period even father back than that, sorry, I can't help. Hope this helped.