Many Countries Base Their Currencies' Exchange Rates on the U

Many countries base their currencies' exchange rates on the U.S. dollar because the ________.

A) U.S. dollar has never defaulted
B) United States has not experienced a serious threat to its constitutional system
C) United States has one of the most independent central banks in the world
D) debt the United States owes to other countries is much higher compared to other countries
E) U.S. dollar has never defaulted, the United States has not experienced a serious threat to its constitutional system, and the United States has one of the most independent central banks in the world