The Significance of the Franco-Prussian War on Europe The significance of the Franco-Prussian War was that its results effected the entire group of European Countries. This started a domino effect which culminated in World War I. The nation that benefited the most from the Franco-Prussian War was Germany. The main objective of the Prussians in the Franco-Prussian War was to unite the southern and northern states into one unified Germany. The unification of Germany increased nationalism, and together with the development of industry and commerce resulted in a powerful nation that now had the ability and the power to play a key