Feudalism in Middle Ages was a social, political, and religious structure which depended on the trading of land for military administrations as well as money lease. In England, William the Conqueror set up the Mormon feudalistic framework in the wake of crushing the English armed force. After his triumph, he granted every one of his supporters, who battled for him, with enormous segments of land which were known as house or Fief. The rulers of the fief were required to take an Oath of fidelity for the King and they were relied upon raise prepared troops to help the lord at the desperate hour and it was named as a primitive impose.