Answer:
The answer is letter C.
Explanation:
People who are living in the mountains tend to be more isolated than the other populations. This is because the mountains isolate them. A language spoken in one place divided by a mountain will differ from the other side of the mountain.
This explanation is highly related to the earth's ecosystem. Once an ecosystem is divided, each gives rise to new species. Similarly, it means that once people's community are divided by mountains, it then gives rise to new languages that can never be spoken elsewhere.
It is said that nature such as rivers and mountains greatly shape the language of people.
It would be Abraham Lincoln controls reconstruction
For any value of x, y=10.
So, the algebraic rule is

.
The value will never change.
I believe it was either France or Great Britan. i can look it up if you need a definite answer.