Alrite 1st of all the EU is only to control currency n economic trade. It isn't a governing body. If it were to go world-wide it probably wudn't succeed because of the major difference in currency values n stuff from all the underdeveloped 3rd world countries. Communism is bad cuz for it 2 work nobody can be a leader which is impossible if you want 2 maintain any order n peace in ur country.