http://www.mirror.co.uk/news/world-news/world-war-three-extremely-lethal-8987162
World War Three will be 'extremely lethal': US Army bosses prediction for terrifying war with Russia or China
US Army chiefs fear Russia, China or climate change could result in global instability with a war between two powerful countries "almost guaranteed"
Countries will increasingly rely on technology, using smart weapons and artificial intelligence.
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Russia and China are two countries which army bosses fear might cause global insecurity"The speed of events are likely to strain our human abilities."
He said China and Russia are building huge armies which rely increasingly on technology.
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Tensions between Russia and the West have escalated due to the war in SyriaTensions remain high between Russia and America over the devastating civil war in Syria.
Russian bombing over the past week has devastated the Syrian city of Aleppo
The city has been under assault from forces loyal to for a week, including Russia.