https://uk.yahoo.com/news/wales-could-disappear-england-under-213835584.html
https://www.gov.uk/government/speeches/pms-statement-following-european-council-meeting-19-february-2016
https://www.politico.com/news/magazine/2023/02/21/joe-bidens-ukrainian-zelenskyy-00083683
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/725288/The_future_relationship_between_the_United_Kingdom_and_the_European_Union.pdf