https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1052148/benefits-of-brexit-document.pdf
https://ec.europa.eu/commission/sites/beta-political/files/customs_controls_0.pdf
https://www.theafricareport.com/238938/energy-buoyed-by-eni-italy-looks-to-africa-free-itself-from-russian-supply/