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.
Steamboats. Steamboats positively effected the world because they made the transportation of goods more efficient and economical. Travel time was cut in half and were a compliment of the railroads, both for commercial and passenger transportation. Steamboats were independent on the wind speed and direction.
Answer:The Republican nominee, former vice president Richard Nixon, defeated the Democratic nominee, incumbent vice president Hubert Humphrey. Analysts have argued the election of 1968 was a major realigning election as it permanently disrupted the New Deal coalition that had dominated presidential politics since 1932.
Answer:
C. Artisans, shopkeepers, and farmers made up a large middle class, but the gentry held the most power and wealth.
Explanation:
In New England and the mid-Atlantic colonies, the elite were wealthy farmers or urban merchants; in the South, they were wealthy planters. Hope this helps!