Answer:
The Mississippi River allowed quick transportation.
Yes. <span>“Congress shall make no law abridging (limiting) the freedom of speech," as the First Amendment says :)</span><span><span>
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Actually the studying the Egyptian civilization is mandatory if you wish to study the ancient history and its civilizations. The Egyptian civilization is considered as one of the very first that was built on the principle of unity as a whole state or entity, and it kept on spreading that at times, it reached from the Levantine to the North-West of Africa. The Mesopotamian civilizations, the Helenstic civilization, the Babylonian civilization and the Phoenician civilization were affected by the Egyptian civilization in one way or another.
Besides, The study of the Egyptian civilization is an interesting topic since it reached a level of development that was hard to reach at that age (the pyramids for example). Many sciences thrived and were practised in ancient Egypt. There's even some secrets that have been uncovered so far, despite all the technological advance we have reached, such as the secret chemicals that were used in the mummification and preserving the dead.
A is going to be my best answer because that is what my Social Studies teacher always had me do and i passed basically every test or quiz