Quote Originally Posted by Al Khalifah
I still fail to see a reason for Europe to unite into anything more than an economic union. There is no common cause for Europe, no uniting factor.
Except the will to unite, which is really the decisive factor here. Provided there is enough goodwill, people will work together.

What is the reason for me to unite with my neighbour?
Because together, we can accomplish more.

What is the reason for my neighbour and me to unite with other villagers and elect a council?
Because together, we can accomplish more.

What is the reason for European nations to unite in the face of global economic competition; changes in the world's power balance; social, political, environmentel and criminal challenges?

You get three guesses, Al Khalifah.