The rulings of the Supreme Court in Dred Scott v. Sanford (1857), Plessy v. Ferguson (1896), and Korematsu v. United States (1944) all demonstrate that the Supreme Court has
A. continued to extend voting rights to minorities.
B. protected itself from internal dissent.
C. sometimes failed to protect the rights of minorities.
D. often imposed restrictions on free speech during wartime.
