Irish Immigration: This refers to the movement of people from Ireland to other parts of the world, including America. In the 19th century, many Irish people migrated due to famine and political issues.
Urbanization: This is the process by which towns and cities are formed and grow due to an increase in population. South Boston's growth can be attributed to urbanization.
Cultural Diversity: This term refers to a variety of different societies or cultures in a specific region. South Boston has become culturally diverse over time.