Somathing simple
The council of 500, the assembly, and the courts. They did not have the senate! Source was Wikipedia :)
Sparta was an aristocracy that had a Council of Elders. Athens was a democracy. It had a council too, of 500 men over 30 years old.
The Assembly met fortnightly to make decisions which were carried out by the Council of 500.
The citizens, the magistrates, the Council of 500.
Direct democracy, where the citizens met in regular assembly and made decisions which were carried out by a council.
Pericles
Nothing. The people got rid of them because they were horrible. They. Replaced them with the Council of 400(500).
The Council of 500 would vote on who to put in the council and who not to put on the council.
Federal republic with 2 legislative bodies (Federal Council and Federal Assembly).
He guided it from a direct democracy to a radical democracy where the citizens met in fortnightly assembly and decided on actions to be implemented by the Council of 500. Political offices and public service positions were filled by lot, except for the generals who were nominated by their tribe. The courts were run by juries, usually of 500 selected by lot.
He converted it into a radical democracy where the citizens in fortnightly assembly made the decisions and the Council of 500 implemented them. The juries in the law courts made the decisions on guilt and penalties - there were no judges or lawyers interfering.
The council of 500 met over two months.