As the US entered World War 1 what was significant about the fact that the two largest immigrant groups in the US were German Americans and Irish Americans?

As the US entered World War I, the presence of large German American and Irish American populations was significant due to their conflicting loyalties. German Americans faced suspicion and discrimination as the U.S. fought against Germany, leading to a rise in anti-German sentiment and actions. Meanwhile, Irish Americans, many of whom opposed British rule in Ireland, were often sympathetic to the Central Powers, further complicating national unity. This dynamic highlighted the challenges of integrating diverse immigrant communities into a cohesive national identity during wartime.