It would be the economic policy of "mercantilism" that was based on the idea that the American colonies primarily were meant to provide economic benefits for Great Britain, since this philosophy held that trade between two entities benefits mainly the larger entity (in this case Britain), and that it is in that entity's best interest to protect its trading partner (the colonies).
I have the same question too
The Persians built a system of well maintained roads which facilitated the rapid transit of military and government personnel. One particular road was called the Royal road that stretched from Sardis to Susa . The Persians established way stations at intervals equipped with fresh horses for the King's messenger.
The Assyrian system of communication was so efficient and effective that a provincial governor anywhere in the empire except Egypt could ask a question and receive an answer within a week.
Some might include the three communists states North Korea, China, and Korea, as well as Iraq
Answer:
We can thank geography for that. If you look at a map of Eurasia, you can see many massive mountain ranges and rivers, all of which separate early tribes apart. When one tribe is split apart for long enough, the people in each tribe develop their own distinct and unique identity, which also includes languages. There are several very interesting researches on this phenomenon online if you look deep enough and I do recommend you check them out, it's quite the fascinating read.
