Which of the following best describes the U. S. Supreme Court's ruling in the Dred Scott v. Sandford case in regards to the Missouri Compromise and popular sovereignty? Group of answer choices

Both the Missouri Compromise and popular sovereignty were deemed to be unconstitutional

Both the Missouri Compromise and popular sovereignty were deemed to be constitutional

The Missouri Compromise as constitutional, but popular sovereignty was unconstitutional

The Missouri Compromise was unconstitutional, but popular sovereignty was constitutional

Which statement describes the central idea of the text? a. while the nigerian government has the wealth to improve the conditions in prisons, they continue to view it as a low priority. b. nigerian prisons neglect the physical and mental health of their prisoners by failing to provide them with basic necessities and services. c. the inhuman conditions in nigerian prisons could easily be improved, but the environment is considered part of prisoners' punishment. d. conditions in nigerian prisons are slowly improving as non-government organizations and citizens are providing much-needed equipment to the prisons.