I hope its not too late to answer...
the people farther away from rome were more prone to attacks and raids, news from rome took longer to reach them, they were not as controlled due to lack of reinforced rules and lack of guards
The answer is the 6th principle of government which is "limited government". This principle states that everyone, even officials, must obey the law. This helped limit the government. The Magna Carta only limited the king and was established way before the government was even officially established in America.
