Article lV, Section 2, of the constitution help define the relationship between the state and federal governments by stating that:

A. all powers not explicitly mentioned in the Constitution are given to the states.
B. citizens of different states are equal under the law.
C. in an area of conflict, federal law overrules state law.
D. the federal government is responsible for protecting states militarily.

The answer is B. citizens of different states are equal under the law.