She led Conservative attacks on the Labour leader as the election campaign resumed on an acrimonious note after a three-day pause.
To the British soldiers, he said "under my leadership, you will only be deployed overseas when there is a clear need and only when there is a plan and you have the resources to do your job to secure an outcome that delivers lasting peace".
The Labour leader has faced repeated questions about his association with the IRA and its political wing Sinn Fein during the 1980s and 1990s.
The General Election campaign is resuming four days after the Manchester bomb attack. I was in Parliament at the time, I heard the attack go off.
The Conservatives had a 16% lead over Corbyn's party in a poll YouGov published just over two weeks ago.
Corbyn said Britain should be "brave enough to admit the war on terror is not working" and said tackling its causes should include prison reform.
An Opinium poll for The Observer found the Tory advantage had fallen from 13 to 10 points over the past week, with Theresa May's party on 45% (down one point), with Labour on 35% (up two), Liberal Democrats on 7% (down one) and Ukip on 5% (unchanged). "The blame is with the terrorists, but if we are to protect our people we must be honest about what threatens our security", he argued.
Greg Gianforte wins special election in Montana
In conceding Thursday night, Quist told supporters he called Gianforte and stressed the need to listen to all Montanans. He stuck to issues that have broad appeal in Montana, such as maintaining and improving access to public land.
"I did not suggest there were links between the attack and that (foreign policy)", he said.
"No rationale based on the actions of any government can remotely excuse, or even adequately explain, outrages like this week's massacre", Corbyn said, speaking in Westminster. "But we must be fearless enough to admit the war on terror is simply not working".
Mr Davis was jeered by some members of the studio audience in Crickhowell as he said: "It provides the people who are encouraging this sort of action, something to point at and say "Look, a Western leader says we are right".
But he stressed the "responsibility" of government to minimise the chance of attacks and accused the Tory government of underfunding the police, increasing the terror threat with foreign interventions in Iraq, Syria and Libya, and "surrendering" freedoms in the face of the threat.
On his first official trip to Britain as USA secretary of state, Rex Tillerson said "all across America, hearts are broken" by the Manchester attack.
But his timing was immediately branded "crass", with Foreign Secretary Boris Johnson saying Mr Corbyn "should be ashamed".
Djokovic excited by 'new vibe' with Agassi
The 18-time Grand Slam victor is trying to preserve his longevity and is skipping both the French Open and the clay court season. The names missing from the French Open field are as noteworthy as can be: Roger Federer , Serena Williams and Maria Sharapova .
But whatever way the pendulum swings, he said, "it's hard to believe the election campaign will be the same as it might have been before the bomb went off".
Asked if there was any indication Salman Abedi had received training in Libya or planned an attack inside Libya, Ben Salem said, "I don't think so".
"Isn't it possible that things like the Iraq War did not create the problem of murderous Islamic fundamentalists, but the war has unquestionably sharpened the resentments felt by such people in this country and given them a new pretext."
His sister claimed he "wanted revenge" for US-led military strikes in the Middle East.
"I want to work within North Atlantic Treaty Organisation to achieve stability", he said.
"I want to make it clear: there can never ever be an excuse for terrorism", she added.
James says Jordan chase is about motivation, not greatness
This time , he walked off the floor to collect his eighth East championship trophy with 979 career playoff points against Boston . As a team, the Cavaliers shot 59.5 percent from the field. "Now is the moment of truth", Lacob told The Washington Post.