Canada, United States, and Mexico
If two countries claim the same region, generally, it likely leads to tensions between them, so you know that the answer is D). even without knowing specifically about India and Pakistan.
And it is: India and Pakistan have a very strained relationship and had even some military conflicts and nuclear arms race because of Kashmir.
Answer:
In geology, the rivers' main role is erosion and deposition, while for humanity, they have been crucial for the survival and development.
Explanation:
The rivers are water bodies (almost always of freshwater) and they have an influence on many things, be it of living or non-living nature. Physically, the big influence of the rivers can be seen in geology. The socio-economic and existential influence can easily be seen with humans.
In geology, the rivers have a big influence because of their big erosive power and their carrying capacity. Basically, the rivers destroy the rock strata, but also carry the material and pile it up at another place. At humanity, the rivers have been crucial for the survival of the species, but they have also enabled humans to produce their own food, develop civilization, and prosper.