manchester england britain leave european union single market customs union one nation minister northern ireland say sunday dash hope region could keep close economic tie avoid return hard border speech conservative party annual conference manchester northern england jam brokenshire draw applause say leave european union 2019 one unite kingdom include leave single market customs union strike new trade deal rest world irish prime minister leo varadkar call last month eu britain find unique solutions brexit logjam include bespeak customs union would solve problem hard border ireland britain leave eu something great concern dublin britain leave eu single market customs union one nation-minister