During the first industrial revolution, the affected nations moved from a rural economy, based on agriculture and trade, to an urban, industrialized, mechanized, simplified and, thus, overcrowded economy. In 1800 it was possible to have a sustained growth of wealth that allowed the transition to a wide use of innovative machines, especially in transport and work, abandoning animal traction and production based on manual labor.
During the second industrial revolution The exponential development of railways, while structuring a new model of international trade based on the specialized production of each country and the exchange of materials from standardized prices, also enabled huge migratory movements, like boiler boats that even transported large masses of people on intercontinental trips, as was the case of the 55 million Europeans who migrated to North America between 1850 and 1940.
The cause of the great migrations during the second industrial revolution was, mainly, the tremendous demographic growth that there was in Europe during the eighteenth century, which in turn had different causes.
During World War I, Germany had been blockaded, so they didn't have the fertilizer for their crops and the food to survive, which then led to deaths. After the war, Germany was just really inefficient, and they had major problems. These problems then led to Hitler becoming the tyrant of Germany, which then led to World War II because he blamed all of the problems on the Jewish people, which then made even more problems.
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The United States took first steps to keep the air clean. Cost-effective ways to reduce pollution were emphasized. The United States created the environmental protection agency. Hope this helps
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They where called jaz age because of the way the clothes and music where.
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Chivalry. It's not really behavior so much as "I'm more powerful than you and I want your daughter, give me your daughter or I'll kill you", but your history teacher will want the answer chivalry, so I suggest you answer that, lol.
