The trans-Saharan trade fell out of favor after the fall of Rome, because how hostile the terrain was (it was desert), and there were no "large 'country/empire'" to protect the traders from looters and other people who attack caravans for money, equipment, and other things. Rome offered protection to some of the caravans as they moved across the empire and the empire's allies land. However, after the fall, there were less organized military forces that traveled in more-'friendly' territory's and were less protected from burgulars. This led to a decline in the trade
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Industrial expansion and population growth radically changed the face of the nation's cities. Noise, traffic jams, slums, air pollution, and sanitation and health problems became commonplace. Mass transit, in the form of trolleys, cable cars, and subways, was built, and skyscrapers began to dominate city skylines.
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Answer:
The Russian Civil War of 1917-20 was closely related to the World War in terms of its cause, conduct, and results. This article discusses the two distinct phases of the Civil War, which were divided by the collapse of the Central Powers. It examines the appearance of competing centres of power, the attempt of those centres to mobilize support, and the ultimate victory of the Communists.
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The correct answer is Hungary
Although Hungary was not a part of the Soviet Union, it was a satellite state and it was expected for it to behave according to what the Soviet Union wanted. When they had an uprising because they wanted their own version of socialism and communism, the Soviet Union invaded and ended the uprising. They were even known for sending tanks into Hungary.