Use the chart to answer the following question.
 Jimmy Carter has volunteered with Habitat for Humanity for over thirty years,
 building nearly 4,000 homes in fourteen countries.
 The Carter Center has led a mission to eradicate the world of Guinea-worm
 disease. Since 1986, cases of the disease have been reduced by 99.99
 percent.
 President and Mrs. Carter frequently lead Carter Center observer trips that
 promote fair, free, and peaceful election processes in developing nations.
 1eradicate: destroy completely
 Which BEST summarizes the chart?
 A. President Carter has been successful in his post presidential political career.
 B. President Carter has been successful in launching several private businesses.
 C. President Carter has been successful in advancing human rights initiatives.
 D. President Carter has been successful in advancing alternative energy policies.