I believe the answer is "Departments."
I believe the answer is that they vote at a higher rate than those earning less money.
Kennedy had two main strategies he used in order to help developing countries.
1) Peace Corps- This is a volunteer program in which American citizens go to third world countries in order to help. This help can come in a variety of different forms, including providing medical care and educational opportunities.
2) Alliance for Progress- This program helped to give financial and technical assistance to Latin American countries.
It was a direct effect of the cause of ww1