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Answer: D. Louisiana was already purchased.
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President Thomas Jefferson commissioned the expedition after the Louisiana Purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an American presence in this territory before Britain and other European powers tried to claim it. Also the objectives were scientific and economic: to study the area's plants, animal life, and geography, and to establish trade with local American Indian tribes.
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A, Roe v. Wave
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The Japanese adopted the idea of<u> "Realpolitik" </u>from Otto von Bismarck's German Empire.
Realpolitik is the possibility that you do what attempts to achieve your objective, disregarding any morals or standards that could act as a burden. Bismarck, who needed to join Germany, was eager to do whatever was fundamental.
In 1862, when Bismarck wound up head administrator of the Kingdom of Prussia, Germany comprised of in excess of two dozen states. Prior endeavors to join them with offers to well known standards, for example, majority rules system, had fizzled. Bismarck said he would frame a domain out of mechanical power and the armed force, or as he put it, by 'iron and blood.' His 'real politics' comprised of utilizing wars to speak to patriotism, while vanquishing any German expresses that contradicted Prussia. He attacked Denmark, and after that turned on his partner Austria, finishing the nation's impact in Germany. At that point in 1870, he deceived France into a noteworthy war, and beat them. In the fervor of triumph, the German states joined in a realm under the King of Prussia. The way that about a quarter million individuals passed on was only an awful symptom of achieving this objective.
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Mohs hardness, rough measure of the resistance of a smooth surface to scratching or abrasion, expressed in terms of a scale devised (1812) by the German mineralogist Friedrich Mohs. The Mohs hardness of a mineral is determined by observing whether its surface is scratched by a substance of known or defined hardness.
Related Topics: hardness
To give numerical values to this physical property, minerals are ranked along the Mohs scale, which is composed of 10 minerals that have been given arbitrary hardness values. The minerals contained in the scale are shown in the Table; also shown are other materials that approximate the hardness of some of the minerals. As is indicated by the ranking in the scale, if a mineral is scratched by orthoclase but not by apatite, its Mohs hardness is between 5 and 6. In the determination procedure it is necessary to be certain that a scratch is actually made and not just a “chalk” mark that will rub off. If the species being tested is fine-grained, friable, or pulverulent, the test may only loosen grains without testing individual mineral surfaces; thus, certain textures or aggregate forms may hinder or prevent a true hardness determination. For this reason the Mohs test, while greatly facilitating the identification of minerals in the field, is not suitable for accurately gauging the hardness of industrial materials such as steel or ceramics. (For these materials a more precise measure is to be found in the Vickers hardness or Knoop hardness) Another disadvantage of the Mohs scale is that it is not linear; that is, each increment of one in the scale does not indicate a proportional increase in hardness. For instance, the progression from calcite to fluorite (from 3 to 4 on the Mohs scale) reflects an increase in hardness of approximately 25 percent; the progression from corundum to diamond, on the other hand (9 to 10 on the Mohs scale), reflects a hardness increase of more than 300 percent.
Electric machinery and automation increased agricultural output in the late 1800s.
