<span>I think he probably meant that the Constitution is not to be set in stone and should change to fit the times, which is my the Founding Fathers put in the Amendment process.
</span>
"A constitutional door is left open" refers to the question of whether an action is constitutional or unconstitutional. There is gray area that needs to be discussed.
Answer:
The feudal system is based on a sort of wealth hierarchy. The king gives land to nobles and in return they pay taxes. The nobles tax the peasants that move onto the land. The peasants are generally farmers, so they grow most, if not all their food. They sell the food to other peasants and nobles. The knights living on the land have an immediate duty to protect their kingdom is called on by the king, so they have less, or no taxes.
Explanation:
I know stuff, I guess.
The answer is A: It included Western Europe, the Balkans, North Africa, and parts of the Middle East.