From 1950, the member states of West Europe began to transfer their partial sovereignty to the supranational institutions voluntarily, the purpose is to keep peaceful co-existance in the post-war.

• 从二十世纪五十年代开始,欧洲一体化的成员国们基于谋求欧洲和平、联合发展的目的,自愿将本国的部分主权让渡给超国家的一体化机构。