What are the 6 chracteristics of a civilization?

Where was the western front where much of the fighting took place? What was juno god of? When was That Was The Week That Was created? Why Database was developed? How long has the mining been going on? When was the first credit cad used? What did homer do and how did it affect our lives today? How did nerva die? What do the letters CE and BCE mean? If you were a small farmer in Western Europe in the 18th century why might you object to the enclosure system? When did wall street begin? What date did it slavery start? Who invented clcok? What people did the Romans copy? Why was Louis riel significant to the development of Western Canada? What genre is braveheart? What was the sanitation system in the 18th century? Why did byzantine emperors abandon their dream of restoring the old roman empire? Did Constantine have any kids? What caused tarjan's downfall?