The answer to your question is B: It explains the organization of the federal government.
It required all escaped slaves to return to their masters and that any free states had to cooperate with this law.
The difference for the given polynomial is 
Explanation:
The given polynomial is 
A polynomial is generally a sum or difference of terms or variables which are separated by addition and subtraction signs. There are "three types of polynomial": Monomial, binomial and trinomial.
The difference between is found as follows:
D = 
Removing the brackets, we get,
D = 
D = 
D = 
Thus, the polynomial represents Option A as the difference.