Please help for a thumps up. provide the answers with explanation.

11 Once the changeover to the euro was completed by July 1, 2002, the legal-tander status of national currencies in the euro zone Select one: ut of Dohon a was canceled, weaving the euro as the sole legal tender in the euro zone countries. was affirmed at the fived exchange rate at that time. was tied to gold b 12 in the United States, managers are legally bound by the duty of loyalty to Select one: a the employees bu the government the shareholders d. the bondholders Afiduciary loyalty is owed to all the stakeholders