It stands for the North Atlantic Treaty Organization, but what exactly is it and why is it so important? CNBC's Phil Han reports.


The U.S. had gradually withdrawn its military presence from Europe since the fall of the
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Soviet Union…
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But that all changed in 2014 when Russia seized Crimea and started conducting military operations
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in eastern Ukraine.

What is NATO? | CNBC Explains

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Let's do English ESL deep listening: focus on meaning. It stands for the North Atlantic Treaty Organization, but what exactly is it and why is it so important?…