Final answer:
In the book Resistance, Chaya says her Polish name is Krystyna, which is related to the historical backdrop of the Warsaw ghetto uprising during World War II.
Step-by-step explanation:
In the book Resistance, Chaya says her Polish name is Krystyna. This piece of information is tied to the story's historical setting, which involves the courageous acts of Polish Jews during World War II. These events echo the real-life Warsaw ghetto uprising of 1943, where Jewish residents mounted a formidable but ultimately unsuccessful resistance against the German forces.
The personal details like Chaya's Polish name add depth to the characters, making the story of resistance more poignant and relatable to the reader.