German Empire
Foreign policy

Bismarck's post-1871 foreign policy was conservative and sought to preserve the balance of power in Europe. British historian Eric Hobsbawm concludes that he "remained undisputed world champion at the game of multilateral diplomatic chess for almost twenty years after 1871, himself exclusively, and successfully, to maintaining peace between the powers". This was a departure from his adventurous foreign policy for Prussia, where he favored strength and expansion, punctuating this by saying, "The great questions of the age are not settled by speeches and majority votes – this was the error of 1848–49 – but by iron and blood."

Bismarck's chief concern was that France would plot revenge after its defeat in the Franco-Prussian War. As the French lacked the strength to defeat Germany by themselves, they sought an alliance with Russia, or perhaps even the newly reformed empire of Austria-Hungary, which would envelope Germany completely. Bismarck wanted to prevent this at all costs and maintain friendly relations with the Austrians and the Russians, signing the Dual Alliance (1879) with Austria-Hungary in 1879. The Dual Aliance was a defensive alliance that was established against Russia, and by association France, in the event alliance did not work out with the state. However, an alliance with Russia would come not long after the signing of the Dual Alliance with Austria, the Dreikaiserbund (League of Three Emperors), in 1881. During this period, individuals within the German military were advocating a preemptive strike against Russia, but Bismarck knew that such ideas were foolhardy. He once wrote that "the most brilliant victories would not avail against the Russian nation, because of its climate, its desert, and its frugality, and having but one frontier to defend", and because it would leave Germany with another bitter, resentful neighbor. Despite this, another alliance between Germany, Austria-Hungary, and Italy would be signed in 1882, preying on the fears of the German and Austro-Hungarian militaries of the untrustworthiness of Russia itself. This alliance, named the Triple Alliance (1882), would exist up until 1915, when Italy declared war on Austria-Hungary. Despite Germany, and especially Austria's, lack of faith in the Russian alliance, the Reinsurance Treaty would be first signed in 1887, and renewed up until 1890, when the Bismarckian system collapsed upon Bismarck's resignation.

Meanwhile, the chancellor remained wary of any foreign policy developments that looked even remotely warlike. In 1886, he moved to stop an attempted sale of horses to France because they might be used for cavalry and also ordered an investigation into large Russian purchases of medicine from a German chemical works. Bismarck stubbornly refused to listen to Georg Herbert Münster, ambassador to France, who reported back that the French were not seeking a revanchist war and were desperate for peace at all costs.

Bismarck and most of his contemporaries were conservative-minded and focused their foreign policy attention on Germany's neighboring states. In 1914, 60% of German foreign investment was in Europe, as opposed to just 5% of British investment. Most of the money went to developing nations such as Russia that lacked the capital or technical knowledge to industrialize on their own. The construction of the Berlin–Baghdad railway, financed by German banks, was designed to eventually connect Germany with the Ottoman Empire and the Persian Gulf, but it also collided with British and Russian geopolitical interests. Conflict over the Baghdad Railway was resolved in June 1914.

Many consider Bismarck's foreign policy as a coherent system and partly responsible for the preservation of Europe's stability. It was also marked by the need to balance circumspect defensiveness and the desire to be free from the constraints of its position as a major European power. Bismarck's successors did not pursue his foreign policy legacy. For instance, Kaiser Wilhelm II, who dismissed the chancellor in 1890, let the treaty with Russia lapse in favor of Germany's alliance with Austria, which finally led to a stronger coalition-building between Russia and France.
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