How Does the Term Civil Liberties Differ from the Term

How does the term civil liberties differ from the term civil rights?

A) Lawsuits may be filed when violations of civil liberties occur, but they may not be filed for violations of civil rights.
B) Civil liberties are voluntary whereas civil rights are mandatory.
C) In most cases, the terms mean the same thing.
D) Civil liberties protect against government limiting our rights, whereas civil rights protect equal treatment under the law.
E) The term civil liberties was used prior to the twentieth century, whereas the term civil rights was used afterward.