First, there was The Commonwealth - the British colonies, which included Canada, India, Australia, New Zealand, and other parts of the world. The British administration was installed in those territories, and along with it, domination over every economical domain like trading and industry.
English was declared the official language of these colonies.
Then, in the last few decades, the USA has become the largest economical power of the world, reaching a very high level of development.
Nowadays, it is the European Union's aim to achieve a greater degree of economic and monetary harmonization between the European countries and especially, the member states.
The European Union has its roots in a desire to make Europe more stable. Since its creation in the early 1950s , the member states have become intertwined because of a convergence in economic and monetary union. As the end of the century approaches, more than 60% of EU member trade is with the other states.
Therefore, the necessity of using a single, global language has become very obvious.
