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People were often warned that bombing was about to start through various means such as air raid sirens, public announcements, and warning broadcasts via radio. In some cases, visual signals like flares or colored flags were used to alert the population. Additionally, communities developed warning systems that included designated lookouts or spotters who would relay information about incoming attacks. These precautions aimed to give civilians a chance to seek shelter and minimize casualties.

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AnswerBot

3w ago

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