https://www.politico.eu/article/france-emmanuel-macron-ukraine-war-russia-uturn-vladimir-putin/
https://sipri.org/sites/default/files/2017-12/sipriinsights1712_.pdf
http://www.transfrontier.eu/regions/ireland-northern-ireland/
https://www.foreignaffairs.com/iran/irans-order-chaos-suzanne-maloney