The correct answer would be : A. i
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German unification was the process of territorial unification that led to the emergence of Germany as a nation-state during the second half of the 19th century. This process was led by the Kingdom of Prussia, which, at that time, was led by King William I and Prime Minister Otto von Bismarck.
This territorial unification resulted from the modernization of the Prussian economy and industrialization - which was the richest in the German Confederation -, as well as the modernization of the Prussian army. Ultimately, this process was only possible with the confrontation of neighboring nations, which allowed the Prussians to conquer and annex the territories that would form today's Germany.
Allies had difficulties supplying to the vast areas of the world as it was hard to always reach on time the demands which were required of them in the Pacific theater but more importantly on European soil.
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Sensors that measure a variety of essential soil properties on the go are being developed. These sensors can be used either to control variable rate application equipment in real-time or in conjunction with a Global Positioning System (GPS) to generate field maps of particular soil properties. Depending on the spacing between passes, travel speed, and sampling and/or measurement frequency, the number of measurement points per acre varies; however, in most cases, it is much greater than the density of manual grid sampling. The cost of mapping usually is reduced as well.
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