Which statement best completes the sequence? A diagram with three boxes. The first box reads assistance to immigrants. An arrow leads from the first to the second box that reads Political loyalty. An arrow leads from the second to the third box, which contains a question mark.

-Rise of muckrakers
-Need for social reform
-Growth of Tammany Hall
-Improvement to tenements

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.