The Brexit deal comes four years after Britons voted to leave the economic union, and seven days before it quits one of the world’s biggest trading blocs.

It is expected to be a knife-edge vote.

Here are some of the unresolved questions about Brexit as Britain's political drama heads into its possible final weeks:

His two successors — first Theresa May and now Prime Minister Boris Johnson — have wrestled with the Brexit issue and have thus far been unable to win parliamentary backing for an exit plan agreed with EU leaders.

Have you forgotten how Brexit came to be? Here's a cheat sheet for the U.K.'s high-profile divorce.

Prime Minister Boris Johnson is getting tough with members of his Conservative Party who oppose his Brexit plans at the start of what promises to be a momentous week in British politics.

Jack Letts is currently being held in a Kurdish-run jail in northern Syria.

The stand-off is a major international crisis for Britain's new Prime Minister Boris Johnson.

Wouldn't it be easier to renegotiate a new, more modern European Union than strike a deal to exit the old? asks Scott Thompson

One government source told Global News officials have been negotiating a provisional trade agreement with the U.K. behind the scenes.