<span>Drought caused by sparse rainfall, hot summers, and high winds predominantly led to the soil erosion in the Great Plains during the 1930's. Human factors such as over farming, and complete uprooting of plants left nothing to ground the sandy soil. This combined with the high winds caused large amounts of particulate to be picked up and blown away from the area leaving it barren.</span>
A group of people living together as an unit is known as a family. The correct answer is A. <span />
C. Union Pacific Railroad
The cold war originates in the emergence of USA and Soviet union as the two dominant powers and main victors of the ww2. The two nations had conflicting ideologies which they desired to spread into the world. as the ww2 closed, the two countries failed to agree on how they would treat countries that had fallen in the war such as Japan,German and several eastern Europe countries. Stalin's soviet union was aiming at expanding communism, and the USA had to contain it.
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General Ulysses S Grant, and he was a republican