Answer: There was continued diffusion of crops and pathogens throughout the Eastern hemisphere along the trade routes.
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Explanation:
The assassination of President Garfield in 1883
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<span>Assuming that this is referring to the same list of options that was posted before with this question, the best option would be that the US waited for approval from world leaders before retaliating, since instead the US took a unilateral approach. </span>
My guess is <span>B: Serf->Lords->King->Knight
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The Industrial Revolution, which began in Great Britain, ushered in a new era of economic prosperity for many people. Through higher employment rates in factories, the income of the average citizen rose. This income was then used to purchase goods, which required more factory workers, which further increased income.