Answer: The ancient Egyptian civilization grew for thousands of years intact because the Nile River Valley and Mediterranean and Red Sea border kept foreigners and their ideas away. The Nile River was very important to Egyptian civilization. The Nile provided a communication and trade route across a huge and harsh land
Explanation:
During this era, human technology boomed. In this era, nomads have started farming. Nomads have stopped moving from one place to another. They have started forging metal tools. They also started pastoralism. They have communities and tribe. They were able to create a system on their own.
