The Tension Between Individual Civil Liberties and the Needs of the Federal

The tension between individual civil liberties and the needs of the federal government to provide national security is an example of what?

A) the exclusionary rule as it applies to national security
B) the Second Amendment's role in security policy
C) how important protections of freedom of religion have become in contemporary America
D) the need to balance interests when discussing civil liberties
E) the power of Congress to determine civil liberties policies