You didn't include the map, so I can't be entirely sure, but if it's the same test that I have, it's B.
War victory or even entrance into a war.
I think it’s the printing revolution over the agricultural revolution
The reconstruction of Germany after World War II was a long process. Germany had suffered heavy losses during the war, both in lives and industrial power. Germany was in rough shape. Germany was divided into four temporary occupation zones, roughly based on the locations of the Allied armies.
I hope this helps answer your question..
