Respuesta :
The correct option is D). Posting the twelve tablets.
What is the 'Law of the Twelve Tables'?
'Law of the Twelve Tables' was a set of laws which engrave on 12 bronze tablets created in ancient Rome in 451 and 450 BCE.
"The Twelve Tables" declared the rights and duties of the Roman citizen.
Thus, posting the twelve tablets was an achievement of Roman Empire.
Learn more about the 'Law of the Twelve Tables' here:-
https://brainly.com/question/26451967
#SPJ2