What institution must authorize enhanced cooperation in the area of foreign policy and security? option_A: The European Parliament option_B: The European Commission option_C: The European Court of Justice option_D: The Union Council Explanation: According to Article 328 of the Treaty on the Functioning of the European Union (TFUE), the authorization to proceed with enhanced cooperation in the area of foreign policy and security must be given by a decision of the Council, acting by unanimity.