This is from the famous Civil defense film known as "Duck and Cover". The featured character in the film was Bert the Turtle. This is Bert's introduction in the film.
For teaching materials covering the Cold War, check out our materials:
Ryan's Crossing Historical Novel: [ Ссылка ]
Ryan's Crossing Historical Companion Guide: [ Ссылка ]
The Cold War workbook: [ Ссылка ]
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