What are the differences between organizations like the EU, EC, EMU, NATO, and the UN?

EU (European Union) – The EU is an organization composed of 15 (soon to be 25) Western European Countries working together to promote political, economic, and social cooperation of its member nations. The current EU members include Austria, Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg, the Netherlands, Portugal, Spain, Sweden, and the United…

What exactly is Europe?

Technically speaking, Europe comprises 47 total countries, including part of western Russia and part of northwestern Turkey, and several dependencies throughout Europe. It is the sixth-largest continent on the planet. It boasts nearly 1/8th of the world population (or approximately 704,000,000 million people) and covers about 1/15th of the world land area. It is bordered…