if your ancestors migrated to the united states during the 1840s and 1850s, they most likely emigrated from Ireland or Germany
Hence, option b is correct.
Why migration occurred in 1840s and 1850s ?
About a third from Ireland and almost a third from Germany came to USA. They became involved in almost every labor-intensive endeavor in the country.
The people from Ireland and Germany migrated to USA due to many reasons
In Ireland almost half of the population lived on farms that produced little income. it led to a great FAMINE with horrendous consequences.. Irish eventually moved to the United States seeking relief from their desolated country. Germans fled to the United States to escape economic hardship. They also sought to escape the political unrest caused by riots, rebellion and eventually a revolution in 1848.
Therefore , if your ancestors migrated to the united states during the 1840s and 1850s, they most likely emigrated from Ireland or Germany
Hence, option b is correct.
To know more about migrations from the given link:
https://brainly.com/question/28262140
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