Because of civil unrest, severe unemployment, and because of the great famine. Irish people were mostly farmer so they depended on potatoes. Oh and it went on from 1820 to 1870
Every one of them had to move from there homes and had lost loved ones along the way they had little to no food little to no shelter and some had kids which only tore them even more
The answer is "All beliefs"
<span>Study ancient Roman culture to learn more about Roman attitudes toward violence and slavery :D </span>
