Final answer:
The mid-1800s saw a significant influx of Irish people to the United States primarily due to the famine. The failure of the potato crop led to widespread hunger, poverty, and starvation, forcing thousands of Irish people to leave their homeland.
Step-by-step explanation:
The mid-1800s saw a significant influx of Irish people to the United States primarily due to the famine. The Great Famine, also known as the Irish Potato Famine, occurred from 1845 to 1849 when a disease called late blight destroyed the potato crop, which was the main food source for the majority of the population in Ireland. The failure of the potato crop led to widespread hunger, poverty, and starvation, forcing thousands of Irish people to leave their homeland in search of better opportunities in America.
Learn more about Irish migration to the United States in the mid-1800s