The correct answer is A. Technological advances such as s<em>team power, air brakes, automatica lubricators and steel tracks</em> have affected the railroads very positively, since it has made it possible that the rail network could become a safer, more efficient and more reliable means of transportation for goods.
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Motivations for colonization: The French colonized North America to create trading posts for the fur trade. Some French missionaries eventually made their way to North America in order to convert Native Americans to Catholicism.
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Btw I know your lying
The correct answer is manifest destiny.
Manifest destiny is the belief that it was America's god given right to expand from "sea to shining sea." In other words, it was America's destiny to expand their control across the entire North American continent from the Atlantic to the Pacific Ocean. This belief resulted in the US buying land from other countries, fighting in wars, and taking land from Native Americans in order to achieve this goal. This was present throughout American society during the early to middle of the 19th century.
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Electricity Levodopa Painkillers and anaesthetic
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thank you for the heads up!
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