Which answer best describes how the cotton gin changed cotton farming? A. The cotton gin caused cotton prices to drop because it could be harvested so easily.
B. The cotton gin added to the already high cost of producing cotton, and lowered demand.
C. The cotton gin made it easier to remove seeds from cotton, but destroyed the rest of the plant.
D. The cotton gin made growing cotton very profitable and increased the demand for slave labor.

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.