I think the answer is A. American democracy is needed to educated citizens. Because the American democracy is needed to educated citizens to many reformers wanted to improve education in the early 1800s.
Answer will be bolded.
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A - Missouri Compromise
The Missouri Compromise allowed a balance between slave and free states, thus indicating the answer to the question.
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The Egyptian Pyramids is one example of a construction made of large stones. HOWEVER, The question seems that there should be pictures included, but there is not. So I give an example to help however I can, Feel free to comment and give more context if you wish for further help.
Answer:
BECAUSE THEY HAVE TO MUCH TRAFFIC
Explanation: