The UK has four nations – but the Prime Minister has tragically failed to take that crucial fact into consideration during his ongoing negotiations with the EU. He has systematically ignored the fact that Scotland and Northern Ireland are having Brexit forced upon them against their will (as expressed by the Scots and the Northern Irish in the 2016 referendum). What's more, in Wales, the majority of Welsh people voted to remain in the EU (according to recent Oxford University research, it was actually non-Welsh voters in Wales who swung the referendum there in favour of Brexit). The Prime Minister must now therefore take radical steps to ensure that his particularly hardline version of Brexit does not disadvantage any area of the UK – and does not generate increased political pressures for the breakup of the United Kingdom. This is additionally important because some of Boris Johnson's most senior colleagues in Vote Leave sought to persuade the public that voting for Brexit would actually strengthen the ties between England and the other nations of the UK.

Brexit-related promises (about future UK unity) from Boris Johnson's colleagues:

“If we vote to leave then I think the union will be stronger,” Michael Gove (currently a senior member of Boris Johnson's Cabinet) told the BBC on 8 May 2016, during the referendum campaign. Even as late as June 2018, Dominic Raab was suggesting to the public that Brexit will "unite the country" Bizarrely, Brexit's potential threat to the Good Friday agreement was hardly mentioned during the 2016 referendum.