The Roman Empire had a very high quality road sytem throughout the Empire, some of these roads are still in use today.
The Chinese dynasties.
The Inca
Complex irrigation systems.
The Guatamala civilization of America
The Mayans.
The Chinese dynasties.
The Mayan civilization
A tribe rather than a civilization.
The Chinese dynasties.
The Inca
Complex irrigation systems.
The Guatamala civilization of America
inca
Anasazi
Maya
The Mayans.
Civilization is the process of civilizing or becoming civil. A civilized society is often characterized by advanced agriculture, long-distance trade, occupational specialization, and urbanism.