Which factor was common to the societies in ancient Athens (6th-5th centuries BC) and in Renaissance Italy (AD 1400)?

Did Jose Feliciano attend Junior High School 104 in Manhattan? What products does Campbell Soup Company manufacture? When was the Irish Times founded? Cutford farm Devon? Why does Seychelles have the lowest population? Which Alaskan city is on the seward peninsula? Where is one of the best cities to live? What do the colors on the Bhutan flag mean? How many people visit the coca cola London eye every year? What is some information on the Brisbane 1974 floods? What states neighbor Hawaii? How many miles from Dubai to turkey? How do you make a sentence using the word urbanization in Mexico city? How many people live in Libya? What is the best way to drive from Brussels to London? How are the Canadian cities of Toronto and Montreal different? Are there any Medieval Times restaurants in Washington DC? What do Italians wear on Liberation Day? What is the new currency in Bulgaria? How does the location of the underworld affect Persephone Demeter and Hades?

Which factor was common to the societies in ancient Athens (6th-5th centuries BC) and in Renaissance Italy (AD 1400)?