In _____, the Supreme Court ruled that the government may restrict civil liberties when not doing so results in "clear and present danger."
The Foundations of Civil Liberties: Select the best answer from the choices provided.
Griswold v. Connecticut (1965)
Roe v. Wade (1973)
Schenck v. the United States (1919)
Brown v. Board of Education of Topeka Kansas (1954)