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

https://theconversation.com/mali-burkina-faso-and-niger-want-to-leave-ecowas-a-political-scientist-explains-the-fallout-222388

http://www.euronews.com/2017/11/30/which-eu-countries-sell-arms-to-saudi-arabia-