Answer:
A. Popular Sovereignty
Popular Sovereignty refers to the situation where all government's regulations and decision is based on fulfilling the interest of the majority of the people.
In democratic country such as united states, this principle is even more important because every government officals that exist in the nation was chose n by the people as representative of their aspiraton
c. Students should explain that each branch having “a
constitutional control over the others” is the idea
behind checks and balances. They might also point
out that Madison is saying a free government can’t
survive without checks and balances.