Which ancient civilization is associated with the Twelve Tables, an extensive road system, and the poets Horace and Virgil?

Roman civilization is associated with the Twelve Tables, an extensive road system, and the poets Horace and Virgil. The twelve tables was actually created in order to make a universal law for consistency. These tables were actually created to protect a certain category of people like the plebeians and patricians. These laws actually were made to protect the poor plebeians from whom many rich people wanted to take away all the money. The road system of the Roman Empire was also very extensively created for use of the Romans.