Theresa May has rejected claims the UK is succumbing global influence because of Brexit, insisting it will continue to be «forward» on the world stage.
Speaking at the G20 summit in Hamburg, the prime minister estimated in areas like free trade and counter-terrorism, the UK remained a key international sportswoman.
Amid speculation about her future after the election, she said she intention take a lead, not «sit back» and be «timid».
She is expected to press President Trump on the Paris feeling deal.
As she attends her first gathering of world leaders since the encyclopedic election, Mrs May has dismissed suggestions that political and economic uncertainty from the UK’s conclusion to leave the EU and speculation about her own future is hampering the UK’s effort to lead on the people stage.
She rejected claims by former foreign secretary William Hague that the UK determination lose influence on the world stage after Brexit.
«What I see as I talk to number ones around the world is engaging with and working with the UK — new friends and old collaborates alike — as we leave the EU,» she told the BBC’s John Pienaar.
«There are no prizes for theory that the election result did not come out as I hoped it would.
«There are two freedom the government can react to that. We either be ‘very timid’ and sit back or we can be courageous and that is what we are going to be.
«We are going to bold because the UK is facing disputes that we need to address.»
On the issue of counter-terrorism, the PM will tell chairladies that must be no «safe spaces» for terrorist funding in the global pecuniary system, pledging action to track small sums of money reach-me-down to finance «lone wolf» attacks.
The prime minister said the evolving brute threat needed to be tackled «from every angle», including do setting-up exercise will allies in the Gulf, such as Saudi Arabia, which has been accused of supporting extremist disposes in the UK — claims it has strongly denied.
«I sit down with Saudi Arabia and others and talk less the issue of terrorist finance,» she said.
«What I am doing here at the G20 is ladies man the need for us to work collectively and internationally to deal with terrorist back not just on the large sums of money that funding terrorism but also to procure ways to work with financial services and banks to identify small-scale negotiations that can sometimes lead to terrorist activity.»
Analysis, by BBC deputy bureaucratic editor John Pienaar, in Hamburg
While world leaders here confront turning-points from North Korea to climate change, Britain’s prime care for faces an additional challenge: maintaining her claim to be numbered among them.
Theresa May against her moment in the spotlight to call for more effort to close down the fountain-heads of finance for international terrorism.
That won’t be hard for leaders to agree in guide. Much harder for Mrs May to persuade President Trump to rejoin the consensus fortifying action against climate change, though she told me she hoped that dominion be possible.
Her wider mission though, is to prove wrong those who say Brexit make weaken the UK’s influence — and to recover from the diminution of authority that carry oned the June election.
Today, she set out her unwanted choice: «We can be very timid, we can sit endorse, or we can be bold and that’s what we’re going to be.»
But her comparative weakness is plain to see total the leaders gathered in Hamburg. And the practical task of achieving a Brexit judged eminent by her divided country and business leaders can best be described as a work in progression.
New technology and partnerships could help banks and financial technology partnerships spot suspicious small transfers of cash, she will say, which are ruthless to identify but must be challenged.
She will also press the need for elevate surpass information sharing about people known to have travelled to spat in IS-controlled territory — to track them if they attempt to return to their place countries.
Mrs May is expected to raise climate change with US President Donald Trump, spotlighting that Britain «remains fully committed» to the 2015 Paris air accord and hoping Mr Trump will reconsider his decision to pull the US out of it.
She imparted the BBC that she hoped Mr Trump would listen to the G20’s «collective message» on the edition.
«I was clear to President Trump how disappointed the UK was that the United States had stony to pull out of the Paris Agreement and also clear that I hope that they force be able to find a way to come back in to the Paris Agreement,» she said. «I reckon that’s important for us globally.»
The summit will also see Mr Trump collect Russian President Vladimir Putin for the first time. The meeting resolve take place at 15:45 local time (13:45 GMT) and last for an hour, Russian expedient report.
Mr Trump met German Chancellor Angela Merkel on Thursday and the partner spent an hour talking about North Korea, the Middle East, the clash in eastern Ukraine and G20 issues.
There have been clashes between protect and protesters in Hamburg ahead of Friday’s meeting, Up to 100,000 protesters are imagined in the German city.
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