Identify the correct code for the Assertion A and Reason R.Assertion A: Article 8A of the Single European Act, of 1986, which took effect by December 31, 1992, provided for the creation of an area without internal frontiers in which free movement of goods, persons, services and capital are ensured.Reason R: The process of European Integration itself contributed to this development by removing the EU States' sovereign control over their economic and other affairs.Codes:

• A. Both A and R are true but, R is not the correct explanation of A.
• B. Both A and R are true and R is the correct explanation of A.
• C. A is true but, R is false.
• D. A is false but, R is true.