In order to understand the hysterical response to Donald Trump's election, one should become familiar with the dissociation theories of Pierre Janet, Sigmund Freud and Carl Jung. In short, hysteria can result from a split between the mind's conscious and subconscious functions.
http://www.onnovdhart.nl/articles/dissociationtheory.pdf
http://www.onnovdhart.nl/articles/dissociationtheory.pdf