D. all answer choices are correct
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European nationalism, in its modern sense, was born out of the desire of a community to assert its unity and independence. In the 19th century there began a determined struggle to realise nationalist aspirations. ... It spread the ideas of liberty, equality and fraternity and generated the spirit of nationalism.
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I think that the best answer is Middle East: among the earliest metal tools were tools from Egypt, and also Hittites were early tool makers, some early works were also done in Iran.
1914 to 1918 the official starting date was july 28th 1914 but the political buildup to the war started well before july