Also on the agenda: the Iran nuclear deal, Mideast peace, and United Nations reform efforts. A trio of missile launches and a hydrogen bomb test that is the communist nation's most powerful to date.
And what have the US and its allies achieved?
McMaster qualified this statement by saying military action is "not what we would prefer to do".
At the beginning of this year, North Korea's Kim announced plans to develop an intercontinental ballistic missile that could strike the USA mainland.
Hours later, President Donald Trump said the same thing during a speech at Joint Base Andrews, saying USA military options are "both overwhelming and effective", and called out North Korea's "utter contempt for its neighbors and the global community". That plan seeks to set the stage for a resumption of talks after Pyongyang suspends its nuclear and ballistic missile activity and the US and South Korea suspend their joint military exercises.
USA options range from everything to accepting North Korea as a nuclear power to using military force in a bid to destroy its arsenal and even oust leader Kim Jong Un. "And at that point there is not a whole lot the security council is going to be able to do from here when you have cut 90% of the trade and 30% of the oil", she said.
At the White House, McMaster called on nations to aggressively enforce recent U.N. sanctions to increase economic pressure.More news: Player Ratings: Sergio Aguero star man for Manchester City in Watford thumping
"There is a military option". And he wants to slash US financial contributions to the U.N. Richard Gowan is a U.N. expert with the European Council on Foreign Relations.
Still, a reporter noted North Korea's behavior isn't really changing.
Tillerson noted that China, which supplies North Korea with most of its oil, and Russian Federation, as the largest employer of North Korean forced labor, have a unique responsibility in the diplomatic situation.
Those arguments were buttressed from within Trump's administration last month when Steven Bannon concurred that America was essentially bluffing about military options, shortly before he was pushed out as the president's strategic adviser.
BENNETT: As President Trump in the role of statesman next week projects to the world his impression of the United Nations and his vision for American foreign policy.
Trump has been consistently critical of the United Nations, once calling the worldwide organization "a club for people to get together, talk and have a good time". "I have no problem kicking it to Gen. [Jim] Mattis, because I think he has plenty of options".
Beyond this, however, their needs to be much more active consultation between Washington and its two allies, both bilaterally and trilaterally, on the details of coordinated deterrence policy in response to future security provocations from North Korea.