Members of the EU (European Union):

Question

Quizplus · Accepted Answer

The EU has established a single market with free movement of goods, services, capital, and people among its member states, which has virtually eliminated all trade barriers within the community.

Answer: C
 The EU member states that adopted the euro have not increased the transaction costs of exchange because they use the same currency. Instead, they have reduced the costs associated with exchanging currencies and eliminated the risk of exchange rate fluctuations.

Therefore, the correct answer is A.