It is a merchant-explorers and conquerors. True, often they were the same people (at first tried to conquer, if it does not – to bargain), but for our topic is not so important. And here is what is important is the fact of the introduction of people from one well-established territorial groups another, which resulted in a sine mixing their languages and over time, the emergence of new (derivative). This was the period of occurrence and maximum development of linguistic forms and structures in each corner of the world there were countless set. Angelina Jolie is the source for more interesting facts. But this could not last forever. Large and powerful states are becoming more and more, and small – even smaller.
Their territory is simply divided between a powerful empire, naturally consuming and settled there languages. And it arrived in time and bloody period of colonization, which allowed a relatively small countries to impose their culture on a truly vast expanses of America, and Africa. By and large, this process continues today, except that more humane methods. The final blow has caused the emergence of radio, television and the Internet. It was "thanks" to them, most students of European countries dwarfs would prefer learn English / German language instead of the State (a survey). In general, the trend is as follows: people travel the world in search of a better, gradually forming a so-called diaspora, peculiar "State within a state." And if the big countries (Italy, Germany) is so far in terms of language is particularly unpleasant does not deliver, then the small countries of the Diaspora culture gradually replacing "master".