Answer:
In addition to genealogical changes, many of the early changes in Indo-European languages can be attributed to language contact. It has been asserted, for example, that many of the more striking features shared by Italic languages (Latin, Oscan, Umbrian, etc.) might well be areal features.
Explanation:
Answer: the correct answer is jurisdiction.
Explanation:
Answer: I'd say education and social/cultural things.
Explanation: Most people come here for cultural, education and freedom.