From 3000 BC to 1500 BC four civilizations arose that historians to this day marvel at, the Egyptians, the Sumerians, the Indus River Valley people, and the Shang dynasty in China. They all had great accomplishments in government, and religion and inventions. While they had their own different civilizations many similarities arise, such as depending on the river and their polytheistic religions. They had very isolated civilizations with the exception of the Sumerians. The geography, religion, and their governments all contributed to their ....