Slaves in the United States used a number of measures to show resistance to slavery. These methods arose after the first slaves arrived in North America in 1619.
No, it wasn't wise. It basically started the war. War was pretty much inevitable at this point but it was the straw that broke the camel's back.
D) Increased immigration in industrial areas.
By 1890, production by factories in American had grown eight times larger than what it had been before 1860. A large part of the workforce came from immigrants coming to the United States and settling in cities, looking for jobs. Ireland was one example of a country from which many immigrants came, looking for work in America, after the devastation of famine in Ireland (especially from potato crop failures).
Conflict between the north and south overwhelmed nationalist feelings and led the country to civil war.
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