It was feudalism. you have to look at the frame of the crusades.
147 is the circumference.
since the directions say to use 3 as pi, and we know that the radius is 7, we can say that
3 times 7^2 = A, which is 147
Explanation:
B 19th country Italy before unification
The colonists should Seperate from the British Empire because the King of England was unfair towards the people in the colonies. The Colonist were in need of a new Government to have rights that they didn't have before.