Plato was probably talking about a Democratic government which is composed of several leaders that are in-charge of particular cities and communities in a country. During his time, Plato is a known philosopher who spent his time discussing with people in plazas and squares arguing about almost anything under the sun.
Citizen Genêt Affair, incident precipitated by the military adventurism of Citizen Edmond-Charles Genêt, a minister to the United States dispatched by the revolutionary Girondist regime of the new French Republic, which at the time was at war with Great Britain and Spain.
If a bill has passed in both the U.S. House of Representatives and the U.S. Senate and has been approved by the President, or if a presidential veto has been overridden, the bill becomes a law and is enforced by the government.