Latin for "Decree of Unity" the "New Rebuilding" policy of the United States of Romana. After the Gallican invasion the Romans created the Decretum Unitas after they fought off the Gallican occupation.
The Concilium was established as the main council of the empire. All new policies were now made in the Concilium.
Voting system is called lapis iactis or "stone throwing", because the citizen would write his vote on a stone and throw into a fountain.