Which important member of the feudalism system am i?

i was hired to protect the kingdom. for my service in the standing army, i received a part of the kingdom's landholdings in an agreement known as subinfeudation.

a. knight
b. lord
c. vassal
d. king

Imagine you are driving down the highway and reading a sign that states save the planet don't litter which technique of policy enactment is being used

Which two words in this excerpt from the count of monte cristo can be used as synonyms to determine the meaning of the word grotto? dantès entered the second grotto. the second grotto was lower and more gloomy than the first; the air that could only enter by the newly formed opening had the mephitic smell dantès was surprised not to find in the outer cavern. he waited in order to allow pure air to displace the foul atmosphere, and then went on.

In exchange for land, a knight agrees to be a sort of sub-vassal to a vassal. this agreement was known as: investiture homage tyranny subinfeudation