One-on-one with British Prime Minister Theresa May

George Stephanopoulos sits down with the British prime minister at 10 Downing Street for an exclusive interview.
13:49 | 09/17/17

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Transcript for One-on-one with British Prime Minister Theresa May
Man punished thank you for doing this I know you've just met with your character team what's the latest on what happened today. Yes we've had another terrorist attack in London on the London Underground. Cowardly attack. And it was a device that was obviously intended. To cool significant haul. 22 people who. We reduced and to the entries hospital on August council's approval days he's been effective treaty as an act of terror right now in prison term was up and tweeting. This morning he said that those behind this were in the sites. A Scotland Yard is that true. Well I don't think it's hope and won't speculate on that which is an ongoing investigation. The police and muscular Jesus it's all. Dealing. The work necessary to discover the full circumstances of this how would he attack that's taken place and wanted to find all those who responsible. And we are threat level remains at severe. Donkeys to say is on emergency services were on the scene this attack. In immediately. And well today. Lot thank them for their professions of bravery and the rest of the city has carried out the use it in the wake of these other tax. Enough is enough. Things need to change its time for some even embarrassing. Conversations what you mean that. Well it is necessary for us to do look as we ought to me that Wetherell peace and security services have the youthful capabilities the powers that they need. Of course we review of any instant it takes place in we have had sat in number of terrorist attacks. In the UK's unit of powers they need. Well that the exercise is being done I've given the next a palace at my time in office. Went to humanize him secretary before I became prime minister. Given the next two pounds but we duke again. But one of the issues that we really need to be addressing an all be raising this. When line the United Nations is the question that the use the Internet. By terrorists. Four terrorist planning but also this youthful using it for the spread of extremism. At patriot of propaganda that can insulation can inspire terrorists he continued companies like FaceBook and Google. To do more. We're talking to them about to ignore and indeed companies to come together they formed a global forum. To look at what they can do to be dealing with this much more quickly and and in a vessel and they do an amendment so we're working with the company's. President term policy tweeted this morning that the solution is a bigger tougher travel ban. That's an idea you've been against is it something you would reconsider. I think what is important is that we're able to half the palace. Two. Look into. People to identify people who may be. Wanting to schools is home and optional seemed to course this hall. I'm to be able to take necessary action when people do was not asked happens here in the United Kingdom when I was ten secretary. I learned more extremist hate preachers like skiing hear what's being missed hate pictures from Cummings of the UK that any and secretary of pool. As you mentioned you're coming to the United States this week he speaking. The United Nations he relatively unknown to most Americans what's the most important thing you want and now. But what you're trying to achieve. Well what I'm there are two things I'm particularly going to be talking about two dealing with and I come to United Nations. One is this issue. Ensuring that we can stall. Terrorists from closing online plotting on the Internet. That we can stall the spread of the hateful extremist ideology. Which can inspire terrorists and I think that's really important for us. And another shot going to be talking about is something that most people probably. Don't think about ten think happens it's political modern slavery. Which is when people. Being effectively. Taken into that and so that you'd into slavery. Section expectation of labor exploitation. Happening on John and since you've been premise for a little over a year and now Kamen after the break to vote. Became prime minister even though you are against. Breaks it so we wrong about that. All right please what I said let the time before the referendum that was taken. Wolves that all violence I thought it was right to remain in not. The sky would beautiful name if we if we left the European unit now you have to make it happen now I'm now I'm not making it happen and that's rise. And obviously wouldn't plea negotiations. But now I think we must take the opportunities that come from Rex some people look at wrecks it and think that it was about the UK tuning in which it wasn't. It's about as actually looking out around the rest of the world but in short we can control and aren't Knowles Armani. And I'll Portis a lot of other people look at it and say it's never gonna happen. It will happen where in the negotiations. The and where and looking at. The deal that we can do that that the way that we can come to an agreement with the feet with the EU for the future for our future relationship in trading to and but what senay with hostages. It actually are having are in control it Jordan trade deals. Hence we're talking to the United States. To president trump is very enthusiastic about trade deal with that between UK and US and I am to it has taken its tall. On your government you almost lost the prime ministership and back in June and the former conservative minister mountains triggered torture Osborne. That's that you're dead woman walking the passing breaks would be basically your last act you're response. My I'm going to cost protected under the Mitchell breaks it happens because the British people voted for I think is really important. The politicians actually do respond to do you listen to people we gave the public the choice they made that choice. And that's why I think it's simple yesterday just be primed for prime minister. Well the next election isn't going to be until often. We have video accident and often leaves draw from the European Union. Ives us I've said this a long term challenge. Long term challenges for the UK some of those issues I'll be addressing the United Nations on also addressing them. Encounters of the strike attitude and go in be meeting just in tea and talking to him about. Issues like the terrorist uses the Internet is a challenge its bristle you're the first foreign leader to meet with president trump how do you get. I do get on with him and goals as you know president trump has actually has an affection for the United Kingdom not many Americans he has said. Finally connections with the United Kingdom and we will play well together. And we work. Most recently this is we've been working on the issue of Heineken. The UK and the US have always had the special relationship and works well to get them. And I'm would like saying thank you to live the United States helpers they've given us in the relations in relation to the response to her canola. We've beat up to help French. And the United States has helped us it's an international effort off to what's been a devastating Erica you say the president trump has affection for England doesn't appear that the British people have much affection. For him I saw a recent poll in June only 22% of the British people have confidence in him to do the right thing for the world what do you say. To your fellow parishioners. What I say is that they should see what president Thomas Donovan let me give you one example. Because I know a number of people were concerned before he yet became president about his statements about America's commitment to NATO. NATO has been the bedrock if European security. I was very pleased and I can move it to see him shall be off to his inauguration that he gave an abstinent 100% commitment to NATO. America continues to stand Baas. In in supporting that security and ensuring that security view that you've also got to travel ban his comments after Charlottesville. Pulling out of the Paris climate change agreement. Big differences. While. I think the point about the special relationship between the UK and the US is that. When we do disagree with papers I said. Deputy come in for example on the pirates issues that you talk about the Paris climate change agreement I think frankly I was dismayed when America decided last. And I. I sent to president trump I hadn't that I have to find a way for Americans come back into the agreement do you still think you'll be able to come here for state visitors to stock and happen. Now the majesty. The queen issued the invitation investors accept it just question of getting dates to at and sorting out the logistics it has nothing to do with the opposition. Here in the United Kingdom. Now this is this is about finding dates when the invitation was issued in the invitations being accepted another missile tests from North Korea just yesterday. Are we gonna have to just learn to live with the idea. If north Koreans can have nuclear weapons forever. Well I think what we need now when he's. Reinforced what we're seeing some evils but. International effort. To put pressure on North Korea. To stop but what we have seen in recent weeks and indeed the full is continued provocation from North Korea. With illegal actions he's out illegal tests that taking out carrying out. I think it's significant that we so the united nations Security Council. Unity it everybody coming together around the taping cutie Russia and China. And agreeing to see stricter sanctions recently agreed that he still seem to be stats are thing. These are important these are important steps are continuing to put pressure on that North Korea to stop what is illegal activity. Ken Kim Jon and they'll be deterred. Is this a man who can have that kind of rational calculation. I think it's for the international community to work together to mutual we teach it to him. I think it is important that we act resolutely acts together. That we. Do what is necessary. To deter him I think it's very good at the united nations Security Council. Has come together and shown that unity. Not just in words but actually. In a resolution that puts into action sanctions that would have an impact on the switch topics to Russian and other reports that British intelligence were the first to park US intelligence. To get into that rush was interfering. In the United States election what can you tell us about that and what can be done about it. Well I think you'll find that that we've been very clear. That they acted it was. Reference to I think something to come from somebody who was no longer employed by the impish intelligence services. But look the issue if Russia and what Russia is doing is another area that we need to be where real. To watch very. The intensity. We are very clear in the United Kingdom. About the illegal annexation of Crimea for example we need to be in Scholl. That where we see what he's cool Minsk agreement which is an agreement in relation to Russia and Ukraine. Hopefully into fools so that we're able to gave Russia a very clear message that you can't just. Walking into somebody else's territory and that it he'd that's beaten and Ukraine Russia is awesome you for in the French elections he defeated the German elections. Do you think interfered in the bricks at election as well. This does no sign of that that's the point that you make about interfering in elections is very important one. And very clear message should get that no country should maintain and other countries and agencies election should be free and fat the view. Of the people. Can the west work with them. While the west is what working with Putin on in the United States Dresser obviously are trying to find solutions in relation to Syria. Another area of the world where we all need to work to find a solution just going to stop. The terrible. Scenes that we've seen in this area but also at schools are here is and stop Syria being somewhere west die Ashley of the terrorists. Time the Allentown. Beat causing home to Austin rest of the world that you think he's a reliable partner. I think what is important. Needs that engagement takes place in the interests of the region in the interest of the world. I Hillary Clinton. Has her new book out this week looking back at the elections called what happened quite candid in many places one can she talks about his being a woman in politics is not easy. In her own words he said it's excruciating. And can be humiliating. Can identify with that. I thought. I've always approached Mike but being in politics and basic way and think not think about on a woman in politics in the senses that's how I'm being treated by others. But just get on with the till the time doing. And that's well that's what I did. You know we're getting a little tour this have ten Downing Street before you came in and we're told that Margaret Thatcher left little mark up. In the corner. That do work a little Thatcher there what mark you intend. I'm ten Downing Street a well liked and Aaron. I'm I'm not sure I'm gonna get around. That destroying furniture rules that you bulls with putting all signal and that night. I just I'd. I'm here as prime minister I'm getting home with the jewel dealing with challenges that we face here in the United Kingdom. Some of those all challenges that we face Knight can enjoy we get bricks at night but actually the rapper challenges which shed across the world dealing with terrorism. Dealing with modern slavery. In showing me how free trade around the world that brings prosperity and jolts to people. Those of the challenges we face. Thank you for time to think you.

This transcript has been automatically generated and may not be 100% accurate.

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