
https://www.huffingtonpost.co.uk/entry/boris-johnson-one-year-anniversary-election-manifesto-promises-kept_uk_5fd401c7c5b690d5d30407dd?r3&ncid=newsltukhpmgpols&guccounter=1

https://www.brookings.edu/articles/are-convention-delegates-bound-to-their-presidential-candidate/

https://www.lobbycontrol.de/macht-der-digitalkonzerne/amazon-deutschland-ein-maechtiger-lobbyakteur-bleibt-unter-dem-radar-109913/