But Mrs May defended her stance and also reached out to Labour backbenchers to back her proposals. “Everyone in this House knows that the vote for Brexit was not just about changing our relationship with the EU, but changing how things work at home, especially for those in communities who feel they have been left behind.” She dismissed the idea of staying in the customs union, but the text of her speech said “the” not “a” customs union”. She added: “I would gently point out that the House of Commons has already voted against this.”