Translate the following English sentence to French:
"Secondly, security of supply, which has a quite special effect as far as Europe is concerned, not least because of the unstable political situations in the countries which currently supply energy to Europe."
Deuxièmement, la sécurité d'approvisionnement, qui a un effet essentiel pour l'Europe, compte tenu aussi, en particulier, de la situation politique instable des pays qui fournissent actuellement l'Europe en énergie.