would have breached a fundamental maritime code, the cruiser rules, or prize law, established in the nineteenth century to govern warfare against civilian shipping. Obeyed ever since by all seagoing powers, the rules held that a warship could stop a merchant vessel and search it but had to keep its crew safe and bring the ship to a nearby port, where a "prize court" would determine its fate. The rules forbade attacks against passenger vessels.
( Erik Larson )
[ Dead Wake: The Last Crossing ]
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