"But overall looking at the national interest we agreed as a Cabinet and as a government that the deal that we have is the right one to proceed with".
Shares in Barratt Developments and Persimmon, both down more than seven per cent, were the biggest fallers on the FTSE 100 in the aftermath of the cabinet's approval of the draft agreement last night.
"Leadership is about taking the right decisions, not the easy ones". However, a rebellion of 48 lawmakers would mean Mrs. I don't feel I can do that in good conscience.
With Ministers Shailesh Vara and Suella Braverman also quitting, it brought the number of government resignations to four.
And various Tory backbenchers, including leading Brexiteer Jacob Rees-Mogg, said they had submitted letters of no confidence in Mrs May to the chairman of the Conservatives' backbench 1922 Committee.
But Labour Leader Jeremy Corbyn told her: "The government simply can not put to Parliament this half-baked deal that both the Brexit Secretary and his predecessor have rejected".
The turmoil is the latest eruption in the Conservative Party's long-running civil war over Europe.
Raab wasn't the only member of May's government to walk out on Thursday.
Alibaba hits another 'Singles Day' record, growth slows
Ma announced in September that he would step down from his role as the company's chairman next year. The e-commerce giant launched the annual online shopping promotion on November 11, 2009.
It was "reasonable" to think that the timing of a possible new vote on secession would depend on how Britain's current political chaos over Brexit played out, she told Scotland's devolved parliament.
In the meantime, the European Union was quick to show that it is ready to seal the deal. That could see tariffs on British exports, border checks and restrictions on travelers and workers - a potentially toxic combination for businesses. "We can choose to leave with no deal, we can risk no Brexit at all or we can choose to unite and support the best deal that can be negotiated, this deal", she said.
If the agreement was abandoned, "nobody can know for sure the consequences that will follow", May said.
"The British people want us to get this done", she said.
Raab only took over as Brexit Secretary in July, replacing the original holder of the job, David Davis who quit because he, like Raab, could not reconcile with May's European Union withdrawal proposals.
This has some parallels to the Nancy Pelosi leadership fight in the US.
Her Conservative government doesn't have a parliamentary majority, and relies on the support of the Democratic Unionist Party from Northern Ireland.
"If and when a vote on the withdrawal agreement occurs is uncertain".
Jeremy Corbyn, the leader of the main opposition Labour Party, said his party would vote against the proposed agreement. If it is given the green light it would then go to the European Parliament for a vote there.
An EU official warned that Britain was unlikely to get a better deal.