Brexit: why Britain left the EU, explained with a simple cartoon

This is causing a lot of chaos in Britain; nobody fully knows what will happen next.
"Britain voted Thursday to leave the European Union, a decision that surprised many and one whose consequences still aren’t totally clear. We don’t know quite yet what this will mean for the future of Britain’s economy, its policies, and its relations with other European countries. There have been many twists and turns in British politics that have led to this particular moment. But you don’t necessarily need to have followed those to understand why the British want to leave the European Union, and why the EU matters in the first place. That’s what this cartoon is all about: how the EU came to be, and how Britain came to decide not to be part of it. And this will help make sense of the biggest, looming question: What happens next? ..."
Vox