Ancient Egypt, because it the unification by King Menes and the building of monumental pyramids and temples and last but not least the effective system of medicine.
Out of all the things that made Constantinople an ideal location or a capital, it was its location on the Mediterranean Sea that was the most beneficial, since this allowed its trading opportunities with other nations to increase dramatically.
Rural life was much more lonely and often times involved close knitt communities of farmers while urban life was much more broad and offered a greater amount of jobs and people.
Answer:
4, Mesopotamia, Indus Valley, yellow river, and Egypt
Explanation:
Improved classical language skills, the promotion of mathematics, and the development of the printing press, telescope, microscope, etc. Served as the foundation of the Scientific Revolution.