Translate the following English sentence to French:
"In a political sense, the citizens of the Union are classed as such by virtue of being citizens of one of the Member States and this allows them to enjoy full political participation and, in particular, to express themselves in elections, to take collective representative responsibility of an electoral nature and to compete for permanent posts in the public administrations."
Les citoyens de l' Union, sur le plan politique, sont les citoyens d' un des États membres et cela leur permet de participer pleinement à la vie politique et notamment de voter aux élections, d' assumer des responsabilités représentatives dans le cadre d' élections ou de briguer des postes permanents au sein des administrations publiques.