The Himalayas Mountains provide a natural barrier between India and the rest of Asia. I hope this helps!!!
I think the answer is B.
Because one of the factors that has prevented it from being a more unified country is its geography. It's rugged, mountainous. It's very difficult for any invading army to develop or control it.
Communism did take over I believe
The movement of the Earth plate made Canada have same fossils or other materials from other countries. It changed the ocean direction, and climate.
Fact: The plate moves one centimeter each year.
Answer:
it takes Neptune 165 years