Since June 23, 2016, when 52% of British voters backed withdrawing from the European Union, the “Brexit” debate has been tearing British politics apart.

Although the Brexit referendum was non-binding, then-Prime Minister David Cameron’s government, expecting a vote in favor of “Remain,” had promised to honour the result. Britain, late to join the EU, will be the first member state to leave it, with the exit date set for March 2019.