The __________ is/are comprised of 27 countries linked together through favourable trade and customs laws to facilitate the free flow of workers, products and investments across national boundaries.

A) European foreign countries
B) European countries
C) European free trade organisations
D) European International Association
E) European Union

European Union

A political and economic union of 27 European countries that are located primarily in Europe, aiming to ensure free movement of people, goods, services, and capital among its members.

Trade and Customs Laws

Regulations governing the import and export of goods between countries, including duties, tariffs, and the enforcement of intellectual property rights.

Free Flow

An efficient or unobstructed movement or progress, commonly referred to in the context of ideas, goods, traffic, or energy.