Some have criticized him for that, arguing his comments tend to increase tension with North Korea.
Calvo said that already in 2013, North Korean leader Kim Jong-un threatened Guam and as a result, steps were taken to protect the U.S. territory.
Trump insisted during the 2016 presidential campaign that he was willing to negotiate with North Korea in order to avoid a nuclear war.
The secretaries urged all nations to honor their commitments to enforce U.N. Security Council sanctions against North Korea including the latest package that could cut its $3 billion annual export revenue by a third.
Macron also stressed that the global community should keep on working in order to "encourage Pyongyang to return to dialogue without preconditions".
Tensions between Washington and Pyongyang have risen sharply since North Korea test-launched two intercontinental ballistic missiles in July.
Regional actors such as China, have called Mr. Trump has soften the tone, but the governor of Guam asked them to do more to curb the ardor of the military in Pyongyang.
The two leaders also reiterated a commitment to the denuclearization of the Korean Peninsula. According to news reports from Seoul, Dunford meets Monday with South Korean President Moon Jae In, and also is scheduled to visit Japan and China. Nevertheless, I would like to see President Trump attempt diplomatic measures with Jong-un while negotiating from a point of strength.
In response, Trump threatened North Korea last week with "fire and fury like the world has never seen" should it continue its threatening behavior. But the retired U.S. But now Trump is beginning to make his very own impact on the financial markets, although not in the way he would have imagined.More news: Hours after 'condemning' white supremacists, Trump retweets 'Pizzagate' conspiracy theorist
North Korea is now a nuclear state. When it comes to national security, however, he needs to understand that words of war just get us closer to that catastrophe.
"North Korea is a serious thing", the Minnesota Democrat said during a question-and-answer session at the progressive Netroots Nation conference in Atlanta on Friday.
Meanwhile, the European Union's top diplomat, Federica Mogherini, said the EU would intensify its diplomatic efforts with North Korea, the United States, South Korea, China, Russia and Japan. China is the North's biggest economic partner and source of aid, but says it alone can't compel its wayward ally to end its nuclear and missile programs.
After the North tested intercontinental ballistic missiles last month and sharply criticized the US over new United Nations sanctions, President Donald Trump promised to unleash "fire and fury" on the country.
"That was one of those I wish I'd not said", Ellison said. To make its intentions crystal clear, it provided an extremely detailed account of the planned trajectory of the launch, which Japanese prefectures it would go over, the duration of the flight - right down to the second - and the distance of the "splash areas" from Guam's coast.
In televised comments, Moon said that "military action on the Korean Peninsula can only be decided by South Korea and no one else can decide to take military action without the consent of South Korea".
With global sanctions preventing Moon from restarting economic aid and joint ventures, the South Korean leader has few incentives to entice the North.
As the USA focuses on Trump's inaction on white supremacist violence, John Oliver is here to remind us that there's still a couple of big problems in the world: North Korea nuclear ambitions and our president's inability to properly handle them.