I know it's late, but it's Eve.
Germany was hit particularly hard during the American Great Depression. The reason being was that America was a major source of loans for Germany's reparations after WW1. When Hitler came to power as the Chancellor of Germany, he incited the entire country into a nationalistic rage and establishing a totalitarian single party state, with the support of the Nazi Party.
B. Strengthened power of feudalistic lords
The answer is Kilimanjaro.
