
https://ukandeu.ac.uk/why-david-cameron-called-the-2016-referendum/?mc_cid=dcb6ed542c&mc_eid=815b1928ec

https://wiiw.ac.at/different-choices-divergent-paths-poland-and-ukraine-dlp-6419.pdf

https://www.science.org/content/article/afghanistan-iran-border-climate-change-fuels-fight-over-water