1) to facilitate trade
Civilizations often transcend Empires and are not dependent on their survival. For example, Roman civilization was both a Republic and an Empire.
the British Empire
Egypt, the Fertile Crescent, China.
Well, a lot of different empires took over and there were three major empires. A lot of civilizations were destroyed.
religeon ~c=3
Many empires in history feel due to invasions.
Egypt, Phoenicia, Mesopotamia.
Circumstances that helped the civilizations and diverse cultures of the Americas to develop in ways both common and unique are the early civilizations of the Americas created such vast empires with an advanced form of thinking and living. These civilizations lacked some of the essential tools that the Asian civilizations depended on to form there amazing empires.
APEX: The transition from river valley civilizations to classical civilizations.
There were many of them but the most renowned were the Aztec and Mayan civilizations.
They were both concerned with expanding their empires They had similar religions