Because there religion is leftism and they have been taught that nationalism is evil
George Soros pledged $1 billion to fund a new university network to tackle the spread of nationalism in a speech at the World Economic Forum in Davos, Switzerland, where the financier and philanthropist also condemned President Donald Trump and President Xi Jinping.
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At the WWI museum in KCMO, there is a tutorial given that blames ‘nationalism’ for causing WWI.