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In the 1840s the potato was the main crop and a major part of the diet of the Irish people. A blight destroyed the potato crop from 1845 to the early 1850s, creating a major famine.
because the abolitionist movement which ended after starting racial inequality, which ended in the late 1900's. kk{your welcome}
When America sought westward expansion in the 1850s, there were many issues that presented themselves. One major underlying source of tension was slavery and the strife between the North and the South.
Ireland and Germany. The Irish potato famine in the 1840s led to a mass migration of Irish people escaping starvation and searching for better opportunities in America. At the same time, political unrest and economic hardships in Germany prompted many Germans to immigrate to the United States.
Reform Party
On national security
the definition of national citizenship
The major factor that led to a flood of Irish immigrants to the U.S. in the 1840s and 1850s is the potato famine which led to starvation and the deaths of almost half of the Irish population.
healthcare and taxes
The event that determined the status of slavery during the 1850s was the Wilmot Proviso. It was also a major cause of the Civil War.
New York.