What Is the Historical Significance of the Comstock Laws

What is the historical significance of the Comstock Laws?

A) They allowed the legalization of abortion during the early stages of pregnancy.
B) They indicated the government's sanction of abstinence as the only permissible form of birth control.
C) They suggest that women had increasing control over their own fertility as the twentieth century began.
D) They were a sign of increasingly positive attitudes toward condom use.