Here's what you need to know about Brexit
03:38 - Source: CNN
CNN  — 

As the first country to attempt a break from the European Union, the UK’s divorce from the bloc was always going to be a messy affair.

You’d be forgiven then for struggling to keep up with the flare-ups over Prime Minister Theresa May’s strategy for a deal, the red lines over what each side wants and the countless debates on what the future may look like. CNN correspondents and reporters go back to basics to guide you through everything you need to know.

Why did Britain vote to leave the EU?

From CNN correspondent Phil Black

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Brexiteers don’t like sharing sovereignty. They want the UK to decide its own rules and forge its own path. From how many fish a boat can bring to market, to who lives here and which court ultimately has the final say over UK citizens. Many have long bristled at following laws and regulations set in Brussels by an organization they see as increasingly undemocratic.

Immigration is another key issue for Brexit supporters. Some believe the free movement of Europeans has placed too much stress on government services or changed the fabric of their communities too quickly.

And then there are, regrettably, the racists. I’ve met members of this vocal minority across the country. “I’m not racist but… ” a reasonable-looking man said to me in Cornwall recently before telling me why he supported Brexit. It turns out he was racist and wrong – most criminals don’t have dark skin.

Voting for Brexit was also a way for some to protest against a political and economic system they feel has left them behind while others profit unfairly. They seized the Brexit vote as an opportunity to bloody the noses of politicians and officials they blame for stealing their sense of hope.

Residents of Wales mining town discuss Brexit
02:05 - Source: CNN

What’s happening now?

From CNN anchor and correspondent Bianca Nobilo

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In the two years since the UK triggered Article 50, very little has changed in the thinking of its parliament. Inconveniently for Theresa May, on Tuesday, she needs that very same parliament to approve her Brexit deal.

What hasn’t changed? Hardline Brexiteers still want the UK to have a clean break, while more pro-EU MPs want to mitigate the economic impact of leaving. And May is still struggling to discipline her party and command authority as prime minister.

Then what has? Well, parliament has wrestled back some power from the PM. It has ensured that it will have “a meaningful vote” on May’s deal and that the government will have to make known its Plan B within three days, should the deal fail to pass.

Related: May serves up cocktails and knighthoods ahead of crucial vote

Parliament has restricted the government’s ability to raise funds in the event of a no-deal scenario – neither a novel nor devastating move – but a clear signal that the majority of MPs remain opposed to no deal and that some Conservatives are willing to vote against their government.

If we take May at her word, the only way parliament could stop a no-deal Brexit would be to bring down the government and form a new one.

So what now? It is enshrined in law that the UK is leaving the EU on March 29. For all the uproar, that remains the default option unless another course of action is approved by MPs.

That is one thing that has not changed. Yet.

BRUSSELS, BELGIUM - DECEMBER 13: Britain's Prime Minister Theresa May speaks to the media after she arrives at the European Council for the start of the two day EU summit on December 13, 2018 in Brussels, Belgium. Mrs May yesterday won a vote of confidence in her leadership among her own MPs 200 to 117. Attending the summit she will attempt to secure greater assurances on the temporary nature of the Irish Backstop, in turn hoping to persuade MPs to vote her Brexit Deal through Parliament in the coming weeks. (Photo by Dan Kitwood/Getty Images)
Theresa May survives her vote, but will her Brexit plan?
04:04 - Source: CNN

What does Theresa May want?

From CNN European Politics, Media and Business reporter Hadas Gold

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In short: Her deal to pass.

Then the formal Brexit process can begin in March. The UK will then officially enter a nearly two-year transition period – adhering to all the same rules as before – with a new trade relationship hopefully struck by December 2020.

After that, the UK is on its own – striking its own trade deals around the world and no longer subject to EU rules or the European Court of Justice.

Related: Food shortages and troops on the streets

May has touted that the agreement includes an end to freedom of movement, with a new skills-based immigration system. EU citizens who have been living in the UK will need to formally apply to remain.

Though it’s leaving, the UK still wants a very close relationship with the EU, in a free trade area, with no tariffs.

Whether that will happen is another matter entirely.

southend-on-sea gold pkg brexit
Once pro-leave town feels Brexit uncertainty
01:24 - Source: CNN

Why has Europe been difficult in negotiations?

From CNN correspondent Erin McLaughlin

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It’s no secret that the EU regrets Brexit and views it as a historic mistake. On the day of the Brexit referendum results, diplomats were busy laying down their red lines.

“If they think they’re going to get a good deal, think again,” one diplomat swore at the time. Another EU official later acknowledged there was a real concern that Brexit would lead to a domino effect, potentially marking the beginning of the end of the European project.

While those “doomsday” fears have subsided, Brexit remains an existential threat. If a country as large and as powerful as the UK wants to leave the club, a country that helped shape the single market and benefits immensely from security cooperation among many other things, what does that say about the state of the club itself?

Related: EU rules out negotiating divorce deal (again)

And so, the EU’s primary focus throughout the negotiations has been on damage control.

As May rushed to trigger Article 50, the EU Commission was quick to frame the negotiation process, dividing priorities into three core buckets: the financial settlement; the rights of citizens; and the Northern Ireland border.

The Northern Ireland backstop was the thorniest sticking point, with the EU giving in to the UK’s demand that the backstop involves a UK-wide customs arrangement, instead of the Northern Ireland-specific arrangement proposed by the EU.

It has since become clear that compromise is not enough for British lawmakers who, as it stands, will vote the deal down next week. The question then becomes, is the EU willing to give any more, or will it stick to its position that it’s this deal or no deal?

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Belfast residents have mixed views about Brexit