Which geographic factor was most significant in he soviet union withstand german attacks in world war ii?

In 1915 the german geologist and meteorologist alfred wegener first proposed the theory of continental drift, which states that parts of the earth's crust slowly drift atop a liquid core. the fossil record supports and gives credibility to the theories of continental drift and plate tectonics.

The ethnic conflicts in darfur have led to an attempt to destroy a whole people known as

Which two nations are doing the most to combat their environmental issues?