In the year between 1820 and 1850, many immigrants traveled from north and west Europe. This was due to the potato famine in Ireland a large number of people traveled to the USA.
The percentage of people living on the farm decreased during the year 1820-1850.
This was due to industrialization and the market revolution. American citizens started moving to larger cities like New York, Baltimore, Pittsburgh and many more.
The immigration of Irish caused Americans to hire them to work on low wages and they left their farms to move to the bigger cities.
The population of Americans in farms around 1820 was approximately 72 % of the 2.9 million workforce, while in the late 1850s only 64 % of Americans worked at farms from the nations 7.7 million labor force.
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