Which pair is not one of the many challenges facing the united states?

How did the enlightenment change attitudes about existing political systems

For your research paper on the history of maui, you locate a source covering the overall history of the hawaiian islands. as you evaluate the source, however, you decide not to use it in your research because it never mentions maui. this significant omission of information falls under what criterion for evaluating resources?

What are the expressed and implied powers of the president