Which of the following is a possible negative result of the large U.S. external debt is:

(a) that the U.S. government will default on bonds sold to the Rest of the World.

(b) a soft landing where the U.S. dollar slowly depreciates that causes Aggregate Demand to go up, leading to an expansion.

(c) a hard landing where rapid depreciation of the U.S. dollar causes Aggregate Supply to go down, causing stagflation.

(d) that the U.S. will stop buying imports from the Rest of the World.