Answer :
To the average Roman, the "rule of law" was truly a way of life. Roman discipline both at home and in the military was paramount to Rome's successes.
The correct answer is:
Laws apply to everyone.
The rule of law indicated that the law was supposed to be applied to all people equally. In order to be used equally, it was understood that laws had to be known by everybody. Therefore laws were written to be accesible. The Twelve tables were one of the first sources of roman law.