A state that prevents members from one political party and quite possibly voters registered as independents from voting for another party's nominees has which type of primary?

Which of the following Supreme Court cases refuted the doctrine of "separate but equal"?

a. Baker v. Carr b. McCulloch v. Maryland c. Garcia v. San Antonio d. Brown v. Board of Education e. Miranda v. Arizona

Which of the following statements about public executions in the United States today is LEAST accurate?

A. Only one-quarter of all the states (plus the federal government) still has the death penalty. B. The Supreme Court has ruled that mentally retarded convicts cannot be put to death. C. The United States is the only Western democracy that uses the death penalty. D. The Supreme Court has ruled that convicts cannot be put to death for murders that they committed when they were minors. E. DNA tests have led to the exoneration of over a dozen convicts that were sentenced to death.