Answer: While large-scale immigration created many social tensions, it also produced a new vitality in the cities and states in which the immigrants settled. The newcomers helped transform American society and culture, demonstrating that diversity, as well as unity, is a source of national strength.
Explanation:
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By one estimate, 100,000 slaves escaped from bondage in the South between 1810 and 1850. The southern newspapers almost every day were filled with announcements about new shoots of slaves, for catching of which the big reward was offered. There was even a special detachment of professional hunters for the fugitives who caught them and returned them back to the owner. But if the slave managed to reach the Canadian border, the persecution ceased. That's a rough estimate, but I hope it helps!!!
The room was a very tight pack a hard fit very uncomfortable diseases probably spread and there was not much breathing room