The answer is D. A universal motor uses brushes made out of carbon. The softness of the carbon allows easy direct radial contact with the communicator without any damage. It also allows easy reversal of rotor direction. A carbon brush has a flexible copper jumper lead attached.
<em>The reason for Sherman's Walk to the Ocean was to scare Georgia's non military personnel populace into forsaking the Confederate reason. Sherman's officers didn't annihilate any of the towns in their way, however, they took food and animals and consumed the houses and outbuildings of individuals who attempted to retaliate.</em>
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<em>~ChokieWokie~</em>
The commercial revolution which was the predecessor for the industrial revolution (which is widely known), had a major impact on daily life in general, but especially trading. The commercial revolution involved the creation of established and stable trading routes all around the world which traded in various materials (spice, silk, metals, etc.) all of this drastically affected daily life as well.
