Final answer:
The Irish immigrant community was initially marginalized and faced discrimination, but over time, they assimilated into the dominant group and improved their social status.
Step-by-step explanation:
In the historical context provided, the Irish immigrant community was represented as an underclass who faced significant discrimination and prejudice. They were seen as a separate race, dirty, lacking ambition, and suitable only for menial jobs.
However, over time, Irish immigrants and their children were able to establish themselves in various professions and improve their social status. While they faced initial rejection and discrimination, they eventually assimilated into the dominant group.