Russia's defeat of France was the turning point in the Napoleonic Wars because it shook the reputation of Napoleon and weakened the hegemony of French in Europe. This war showed that Napoleon could be defeated and was not invincible. The strength of the french army under Napoleon decreased by a huge margin.
The bank lending slow down led to the collapse of US and global stock markets. The financial system is basically interconnected due to the forces of globalization and technology. A slowdown in one sector quickly leads to a slowdown in others
