Final answer:
Talking to the Irishmen has a profound impact on Frederick, exposing him to different perspectives and challenging his preconceived notions.
Step-by-step explanation:
Talking to the Irishmen has a profound impact on Frederick in the novel. It exposes him to different perspectives and challenges his preconceived notions. For example, his conversations with the Irishmen lead him to question the legitimacy of British rule in Ireland and reflect on his own role as a colonizer.