Detailed Instructions: In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
Q: Question: Between the United States, the richest nation in the world, and the Democratic Republic of Congo, the poorest nation in the world, which uses more gasoline per capita, 
 Answer: the people in the United States
A:
Richer nations use far more energy resources, especially fossil fuels, than poorer nations do.