During WWII, a few captured German generals were held in a stately, elegant home with very comfortable living arrangements and provided brandy, wine, and excellent food. They were allowed personal servants and had other luxuries. Why was this done?

During WWII, a few captured German generals were held in a stately, elegant home with very comfortable living arrangements and provided brandy, wine, and excellent food. They were allowed personal servants and had other luxuries. Why was this done?
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