I believe it's <span>B.Researchers everywhere began to collaborate and share data.
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<span>To provide more farm land for its growing population</span>
1. the July was a series of interrelated diplomatic and military escalations among the major powers of Europe in the summer of 1914 that was the ultimate cause of world war 1 .
2. the schlieffen plan was a name given after the First World War to German war plans the influence of field marshal Alfred and Belgium which began on 4 August 1914 .
