Several reasons.
The Nazis were using them for slave labor, and so to not do so is to risk their lives.
To earn enough money and rations to survive.
To appear to be a "good Jew" and no threat to the Nazis.
See eNotes Ad-Free
Start your 48-hour free trial to get access to more than 30,000 additional guides and more than 350,000 Homework Help questions answered by our experts.
Already a member? Log in here.