Translate the following English sentence to French:
"The integration of the maritime border into strand A would finally allow the western periphery to be recognised as a unique and important economic area which is confronted by the 'continentalisation' of the European Union."
L' insertion de la frontière maritime dans le volet A permettrait enfin de reconnaître, à la périphérie Ouest, une zone économique unique et importante face à la "continentalisation" de l' Union européenne.