3. (20 points) We discussed the debt situation in the US and referred to the 'US mysteriesr in the final lecture of the lesson. Write an essay explaining these mysteries and why, the US is in a unique position relative to the rest of world. make sure your answer includes a discussion of exorbitant privilege and 'dark matter.' Complete your essay with a discussion of why some are worried about the sustainability of this unique position and what the consequences would be on the US economy if we lost this 'unique position.\