The answer is letter A. The Clear Air Act would be a reason for the Environmental Protection Agency or EPA to regulate car emissions. EPA sets the emission standards under the said rule or regulation and this also covers the green house gas emissions.
Although textile mills and tobacco factories emerged in the South during this time, the plans for a New South largely failed. By 1900, per-capita income in the South was forty percent less than the national average, and rural poverty persisted across much of the South well into the twentieth century.
Based on the given symptoms above, most likely, what Kerry is suffering from is DEPRESSION and this is why he needs to see his counselor in order to seek some help with his current condition. When someone is suffering from depression, the most common signs include being uninterested in activities, loss of appetite, and even difficulty sleeping. Hope this helps.