Why was the European Union established? What has been done/created to facilitate the process of economic and political unification in Europe? Will the EU ever be a strong regional bloc for the US to be worried about?
The European Union (EU)
Two very good sites you may want to peruse are:
This is the official site of the EU. It contains tons of information on the European Union.
This one comes from Wikipedia, and is an excellent summary of history and background to the EU.
Now to briefly shed some light on your questions.
To determine why Europe has formed a union, we must understand something about the history of Europe over the past 2000 years. Really? Yes, really. Go back to the days of the Roman Empire. The great myth of the Pax Romana, a time of supposed peace and prosperity for Europe. This illusory dream has been kept alive over and over again by big thinkers and ambitious men. For example, Justinian, Charlemagne, Otto the Great, Charles V, Hitler, Mussolini, etc. all tried to revived the so-called "great" Roman Empire. And today, we're seeing the same thing. It's interesting though that in the past military force was the driving force behind unification. Today, it's economics. And probably because of that ...
The solution explains the creation of the European Union - the reasons behind its establishment, the member nations that are a part of it, the debates behind it and the positive motivation that ultimately led to the EU economic & political cooperation as a singular entity. It also explores the history behind Europe & the European Union and the idea that the EU has become a political entity that the US ought to worry about.