Each had a local magistrate and local assemblies.

Like corporations, these petty courts of legislature ripened the moral spirit of democracy while fitting men for the exercise of the larger rights they demanded.

A consequence of the alteration of the number of the tribes was an increase in the number that composed the senate, which now rose from four to five hundred members.
Clisthenes did not limit himself to this change in the constituent bodies--he increased the total number of the constituents; new citizens were made--aliens were admitted--and it is supposed by some, though upon rather vague authorities, that several slaves were enfranchised.

It was not enough, however, to augment the number of the people, it was equally necessary to prevent the ascension of a single man.

Encouraged by the example in other states of Greece, forewarned by the tyranny of Pisistratus, Clisthenes introduced the institution of the Ostracism [248].