PLEASE ANSWER how did industrialization in the northern states lead to an increase in enslaved people in the southern states?

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The majority of victories and progress made by the women’s suffrage movement in the late 19th and early 20th centuries came from the industrialized north the denizens of the east the american west the reconstructed south

Kennedy singles out one group of countries that the united states will defend against any attacker what countries are they

Who did the first work in creating vaccines