
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/643924/Foreign_policy__defence_and_development_paper.pdf

https://deputypm.canada.ca/en/news/speeches/2022/10/11/remarks-deputy-prime-minister-brookings-institution-washington-dc

https://www.nao.org.uk/wp-content/uploads/2018/10/The-UK-border-preparedness-for-EU-exit.pdf