She rightly says the country needs a positive response for the Brexit negotiations, repeating that the decision to leave Europe is irreversible.
They voted 522 to 13 to authorise an early poll, with the Prime Minister easily securing the support of two-thirds of MPs required to dissolve Parliament and bring the election forward from the scheduled date of 2020.
Thirteen voted against the motion.
The "real political" negotiations on Britain's exit from the European Union will start after the snap British election in June, European Commission spokesman Margaritis Schinas said Wednesday.
May, 60, had stunned her allies as well as opponents when she called for a snap poll on Tuesday.
The main opposition Labour Party welcomed May's election call, meaning that it is nearly a foregone conclusion that May will obtain the two thirds support she needs in the House of Commons for the election to be held.
May is adamant she will not take part in a televised debate in the run-up to the vote, despite numerous MPs calling for her to do so.
He had come under fire for taking on a role at the "Evening Standard" newspaper while still being an MP for Tatton.
"Every vote for the Conservatives will make it harder for those who want to stop me from getting the job done", May told a rowdy lower house during her weekly question and answer session. So then let's have a head-to-head TV debate about the future of our country.
Portland Trail Blazers vs. Golden State Warriors Game 3
It's a 48-minute game, and to win we had to come out (of halftime) with even more urgency against that team and we didn't do that. Golden State enters the game up 2-0 on Portland and should be fine with Brown as temporary head coach.
Until Tuesday, May had repeatedly ruled out holding an early election, saying there would be no national vote until 2020. "I will be asking for the British people for a mandate to complete Brexit and make a success of it".
Mr Flanagan said: "This announcement does not change the Government's commitment to ensuring the best possible outcome for Ireland in the upcoming Brexit negotiations where we will negotiate from a position of strength as one of the European Union 27".
A large majority for the Tories would strengthen the Government's hand in negotiating a good Brexit deal and provide "strong and stable leadership in the national interest", she said. That is in our long-term interest.
He said: "She has treated any questioning of what she is doing as frustration - I think that's wrong".
May is hoping to gain a bigger majority in Parliament for her Conservatives.
The opposition Labour party has been riven by divisions over its leader, Jeremy Corbyn, and Brexit, while May's commitment to a clean break with the European Union has undermined support for the euro-sceptic UK Independence party.
He did not say that Britain should act unilaterally as suggested by some United Kingdom political parties.
May, who was appointed prime minister after the country voted in favour of Brexit in June past year, enjoys a large lead in the opinion polls, with 50 percent saying she would be the best prime minister.