Respuesta :
The correct answer is A. A philanthropist
Explanation:
A philanthropist refers to a person who cares about humanity or people and therefore acts to promote the general well-being usually by giving their time, money or making efforts to help people. Andrew Carnegie can be classified as a philanthropist as the text explains he "devote his time, efforts, and money to help others" which means he cared about the welfare of people, this is reinforced by the idea Carnegie help to create libraries, museums, schools, etc to help people besides supporting international peace and scientific research.