Did greeks have a bigger influence on todays gov. than the romans?
No, in fact the Greeks had considerably less influence on the structures of American government. Most Greek city-states were ruled by a king or tyrant. Athens had a famous period of democracy, but it was direct democracy, and wildly unsuccessful. The founding fathers got much more inspiration from the Romans, who had separation of powers between the consuls, the senate, and the assemblies. One of the chief features of the Roman Constitution was indeed the spreading of power among various institutions, and this worked for several centuries, until powerful military leaders like Marius and Caesar learned how to game the system.
