What was the “necessary evil” justification for slavery? What was the “positive good” justification? Why might the positive good argument have become more popular during the 1830s and 1840s?

the process is called revolution because it was a process of great economic-social transformations that began in england in the xviii century.

the industrial mode of production spread throughout much of the northern hemisphere throughout the xix and early xx centuries.

the effect of this revolution was the distance between the countries, with respect to economic and political power.   after all, not all industrialized at the same time, remaining in the condition of suppliers of raw materials and agricultural products to the industrialized countries.

these differences mark to this day the nations of the world that are divided between developed and developing countries. one way to measure whether a country is advanced is to assess how industrialized it is.

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the idealization of the rural landscape ; admiration for the beauty of nature ; focus on an individual's inner concerns

the answer is a. laws were enacted in the aftermath of the plot to make it harder to free slaves,increasing sectionalism