Senate of Rome
I know that it may be just a detail but whenever I see depictions of the Roman Senate in session (in movies, paintings etc) senators are seated in a semicircular fashion around an open space where the speaker stands...
The point of no return
G.J.Caesar on the north side of the river Rubicon No general exercising imperium could cross the Rubicon without the concession of the Senate. Sometimes the Senate would 'humiliate a general by letting him wait there infinitely. Imperium was power vested...