WORLD HISTORY

Detailed explanation-1: -Answer and Explanation: Blood and iron was the economic policy of Prussia under Otto von Bismarck.

Detailed explanation-2: -Although Bismarck was an outstanding diplomat, the phrase “blood and iron” has become a popular description of his foreign policy partly because he did on occasion resort to war to further the unification of Germany and the expansion of its continental power. Therefore, he became known as “the iron chancellor."

Detailed explanation-3: -He skillfully achieved the reunification of Germany in 1871 following his policy of alliances and warfare. Bismarck relied on realpolitik, a combination of diplomatic and political tools based on the given circumstances.

Detailed explanation-4: -Although an arch-conservative, Bismarck introduced progressive reforms-including universal male suffrage and the establishment of the first welfare state-in order to achieve his goals. He manipulated European rivalries to make Germany a world power, but in doing so laid the groundwork for both World Wars.

Detailed explanation-5: -The policy of ‘blood and iron’ implied being ruthless to the enemies, use of sword, harshness and strictness and shedding blood. The policy employed method of violent terrorism against enemies. He suppressed many internal revolts and protected the Sultanate from external invasions.