With the end of the post-Cold-War period globalization, the world is entering a period of regionalization. Compared to other possible centers of regionalization such as the U.S, China or India, Europe as a whole is scale enough to accommodate a unified capacity of industries in commensurate with a canter of regionalization. But in practice, Europe is institutionally a collection of states, even the largest state can hardly accommodate a relatively complete structure of production. However, this Russia-Ukraine war has created Europe a demand for a unified capacity of industries, with which, Europe may be able to circumvent the existing weakness of institution.