[Solved] Our ________ is said to be a gauge of how socially accepted we feel. A)autonomy B)gender identity C)erotic plasticity D)self-esteem Euro: The official currency of 19 out of the 27 European Union countries, which is also used by the EU institutions. Member Countries: States that are officially part of an international organization or agreement and have agreed to its terms and conditions. European Union: A political and economic union of 27 European countries that have agreed to abide by certain rules and standards to ensure peace and economic stability across the continent. Member Countries: Refers to nations that are part of an international organization or agreement and have agreed to adhere to its rules and policies.