Which of the Following Is True Regarding the Establishment of the Euro

Which of the following is true regarding the establishment of the euro?

A) Great Britain, Denmark, and Sweden were among the first countries to adopt the euro.
B) Establishment of the euro did not require participating national governments to give up their own currencies.
C) By adopting the euro, the European Union has created the second most widely traded currency in the world after that of the U.S. dollar.
D) Establishment of the euro did not require participating national governments to give up national control over monetary policy.
E) The governments of European countries routinely sacrifice national sovereignty for the greater good.