Which event is an example of citizens making a successful effort to change
public policy?
O
A. Congress passed the Fifteenth Amendment, guaranteeing former
slaves the right to vote.
B. Slavery was abolished in the United States in part due to public
pressure.
C. The Supreme Court decision in Roe v. Wade guaranteed the right
to an abortion.
D. The United States entered World War II in support of its European
allies.