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how the Greek mathematician Eratosthenes calculated the shape and size of the earth 2200 ago, without computers, just by applying and thinking about basic geometry principles 

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how the Greek mathematician Eratosthenes calculated the shape and size of the earth 2200 ago, without computers, just by applying and thinking about basic geometry principles 

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Why are we (country) in the EU? What is the main reason of it?

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My/our role in Europe - Is my country important in Europe society? 

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My/our role in Europe - Is my country important in Europe society? 

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Caroline Leininger France

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International cooperation

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Geopolotics is a Key pillar in higher school Caroline Leininger

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Geopolotics is a Key pillar in higher school Caroline Leininger

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Why teaching only the Geopolitics of Europe? Students should learn the world geopolitics

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Why teaching only the Geopolitics of Europe? Students should learn the world geopolitics

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Tal from Israel

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Culture differences

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Differences about cultural thinking

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Philosophize about ethical questi

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Bridge local experiences and global issues

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Bridge local experiences and global issues