why was the european union created 
the overarching purpose of the european union in the years after world war ii was to put an end to the devastating wars that had wracked europe for centuries at the same time it became increasingly clear that a united europe would have far greater economic and political power than the individual nations in the post war world 21the bottom linethe eu is a powerful alliance of 27 european countries that promotes democratic values among its members it serves to faciliate political and economic integration throughout the region many though not all of its members share the euro as their official currency historically it was made up primarily of the nations of western europe it has since expanded to include member nations that had previously been socialist states prior to the collapse of the ussr in 2020 the u k officially left the eu 