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4 Cards in this Set
- Front
- Back
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What was the purpose of this bridge?
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It allows troops, horses, and wagons to cross a river where no permanent bridge exists.
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How long did it take to build this bridge?
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A few hours to a few days
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Why is this bridge appropriate for its function?
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It can be built and taken down quickly and is inexpensive.
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Why is the bridge inappropriate for a big city?
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A big city needs a stronger, more permanent structure.
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