The Feudal System was familiarized to England following the attacked and victory of the country by William I (The Conqueror). The system of feudalism was used by the Normans in the France. In this system all the land was under the control of the King and he was the one who owned all the land.
The king further used to divide the land between personal and other uses. One fourth of the total land was kept by the owner/king for his personal use/property while some was given to the church and the rest was rent out under strict controls.
The caravel was a type of ship, so C would be the answer
