Answer:
grand duke nicholas
Explanation:
At the outbreak of the war, Tsar Nicholas yielded to pressure and appointed Grand Duke Nicholas as commander in chief of the Russian armies.
The correct option is: "imperialism, militarism, and entangling alliances"
- Imperialism: In 1914, Europe was at the zenith of world domination. After the Industrial Revolution and the demographic explosion, Europe had managed to establish a political, economic and military domination worldwide, based on an overwhelming technical and intellectual superiority.
- System of alliances: Throughout the nineteenth century, the major European powers made a great effort to maintain the balance of power throughout Europe, resulting in a complex network of political and military alliances across the continent for the early twentieth century.
- Militarism: After the German unification and the foundation of the German Empire in 1871, after the Teutonic victory in the Franco-Prussian War, the German industrial and economic power grew enormously and with it the arms race was launched.
The one that is different between the area of Germany between now and when it was in 1648 was : in 1648, it was part of the Polish Lithuanian commonwealthBack then, the commonwealth was considered as one of the largest and the most powerful kingdom in Europe
hope this helps:)
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