The map below shows us the migratory patterns of the Indo-Europeans, and with their migrations, the spread of the their language as well. As the Indo-Europeans started to migrate from their homeland in the lowlands between the Black and Caspian seas, they were spreading their culture with them. This led to their language seemingly distant regions that do not seem connected. As they were moving in different areas, Europe, India, Iran, Central Asia, their language started to change, so lot of new dialects emerged, and later those dialects gave birth to new languages, though all of those languages kept their basis and remained part of the same linguistic family.
<span>According to the Farewell Address, religion plays a large role in the United States' political success is the best explanation of Washington's view on religion.</span>
During the Han Dynasty, trade flourished in China. The government controlled the economy, and Han rulers emphasized unity in laws and currency.
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.
