http://agathe.gr/democracy/citizenship_tribes_and_demes.html
Citizenship: Tribes and Demes Every male Athenian, above and beyond the regular universal military training for service in the citizen army, was subject to universal political service. Besides being a ... Thus, the legislative and judicial branches of the government were the people of Athens, who also, as individuals, served in executive capacities and, as a group, elected the chief executives each year.
