To help ensure a prosperous future for the largest number of people, developed countries should A) help underdeveloped countries to more effectively exploit and market their natural resources. B) apply sanctions on developing countries that fail to curtail their rates of growth and development. C) conserve at home and exploit resources abroad. D) reuse, recycle, and reduce at home, while encouraging the same abroad. E) work for the removal of indigenous peoples from endangered habitats, so as to better preserve limited resources in those habitats.