The answer is D, because the Russian winter led to hypothermia and disease, causing hundreds of thousands of his soldiers to die.
If you could please include the phrases, you could get a more defined answer.
Rural- relating to, or characteristic of the country side rather than the town. For a more simple definition it's basically people who live out in the country side. Example- She lives in a rural area.
C. an oceanic trench is most likely form when movement along a plate boundary forces a landmass to be pulled apart.
The cycles within which earth's matter moves are closed systems. This means nothing is gained or lost from the system; it only changes from one form to the other. The total amount of matter on earth remains the same. Using tectonic plates as an example, divergent boundaries occur where new oceanic crust is being created. New crust is being created and simultaneously the same amount of crust is being destroyed at convergent margins.