B.It showed that the united states would live up to its commitments at any cost
Wave of invader swept across Western Europe (Vikings, Franks, Goths, and Huns) trade slowed down to a trickle (people became more isolated) towns became empty, and classic learning just stopped.
There are many landforms that can prevent expansion- bodies of water, mountainous terrian, and a desert are some examples.
Napoleon died on May 5, 1821
It turned the tide of the war and was a major russian/allied victory. After that battle it was down hill for the Germans, as they continued to be pushed back and the Germans also needed that victory to secure a road at stalingrad that led to oil fields.
