Compare and contrast the place of irish immigrants in american society before and after the great famine of 1845 to 1850

The Great Famine of 1845 refers to the period when the potato crop failed in successive years (between 1845 -1849)
Before the Great Famine, The Irish population experienced a healthy Growth each year, but after the great Famine the Irish population dropped to almost 2 million and they're dropped off to poorer neighborhoods.