What percentage of the member states' votes is required to achieve a qualified majority in the Council? option_A: At least 55% of the member states' votes, representing at least 65% of the Union's population. option_B: At least 65% of the member states' votes, representing at least 55% of the Union's population. option_C: At least 55% of the member states' votes, representing at least 72% of the Union's population. option_D: At least 72% of the member states' votes, representing at least 65% of the Union's population. explanation: According to the EU Council Regulation, since November 1, 2014, a qualified majority in the Council is defined as at least 55% of the member states' votes, representing at least 65% of the Union's population. This rule applies to decisions taken under the Commission or High Representative of the Union for Foreign Affairs and Security Policy.