SAT US History Practice Question

This atrocious decision furnishes final confirmation of the already well-known fact that, under the Constitution and government of the United States, the colored people are nothing and can be nothing but an alien, disenfranchised, and degraded class. The speaker of the above quotation probably was reacting to which of the following Supreme Court decisions?

1. A.Dred Scott v. Sanford
2. B.Powell v. Alabama
3. C.Korematsu v. United States
4. D.Sweatt v. Painter
5. E.Gideon v. Wainwright