May 17, 2017      

Europe, whose nations once sent colonists all over the world, has been struggling with an influx of refugees from war-torn Syria, Afghanistan, and other parts of the Middle East and Africa. The migrant crisis has challenged politicians across nations, and European drones are part of the debate.

In 2015, a record 1.3 million people fled to Europe, according to the Pew Research Center. A Polish politician said the country would not accept even one refugee because of security fears. Switzerland, D...

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