The President welcomes Pope Francis to the United States on behalf of the American people. Which role is the president carrying out?

He's representing the United States.

Explanation:

When the President greets and welcomes the Pope to America, not only is he representing the American people, but he's also representing the United States as a whole. He is seen as Representing the United States.

more people will not obey the law or vice vice versa

explanation: the answer really speaks for itself if the number of prisoners are going up then that means that more people will not obey the law and if less people are going to prison then that means that more people are obeying the law.