Roman Law - 1300 A.D.
In 1300 A.D. the Roman Law took place of the Canon Law.
The Roman Law enables rich men to live among the poor men.
The Canon Law enables good men to live among bad men.
“Divide to rule” became the slogan of the politicians.
In his book “The Prince”, Machiavelli taught them how.
So politics ceased to be policy and became just politics.