With Iran, Sudan, and Syria also being on the list administered by the State Department, exactly what does being a state sponsor of terror mean?
During a Cabinet meeting on Monday, Trump said the decision "should've happened a long time ago" and claimed the move will add pressure on the "murderous regime" to "end its unlawful nuclear and ballistic missile development".
Secretary of State Rex Tillerson listens as President Donald Trump announces that the United States will designate North Korea a state sponsor of terrorism during a cabinet meeting at the White House, Monday, Nov. 20, 2017, in Washington.
US officials cited the killing of North Korean leader Kim Jong Un's estranged half brother in a Malaysian airport this year as an act of terrorism.
The Los Angeles Times reports that officials are citing the murder of Kim Jong-nam, the half-brother of Kim Jong-un, as an act of terror. North Korea was previously on the list, but taken off in 2008 by the Bush administration during an attempted denuclearization deal.
"While global attention has been on nuclear weapons and missiles, we must not lose sight of North Korea's terrorist acts and gross violations of human rights", Klingner says. Also, it warns that it faces the hostility and the threats of the joint military exercises of the United States and the Republic of Korea in the Korean Peninsula.
North Korea is pursuing nuclear weapons and missile programs in defiance of U.N. Security Council sanctions and has made no secret of its plans to develop a nuclear-tipped missile capable of hitting the US mainland.
The North Korean commentary accused Mr Trump of committing a "hideous crime against the Korean people" by insulting its leader, and warning that this "thrice-cursed crime can never be pardoned".
Although tragic, the Warmbier case does not seem to meet the statutory criteria for worldwide terrorism, says Daniel Pinkston, who specializes in Northeast Asian security issues at Troy University in Seoul.
Gold prices rose sharply on Friday amid an uptick in geopolitical uncertainty after North Korea ruled out negotiations with Washington on curbing its nuclear weapons programme.
But "those odds are basically at zero anyway", Pinkston says.
Sanctions for North Korea and the other nations on the list include: "restrictions on U.S. foreign assistance, a ban on defense exports and sales, certain controls over exports of dual use items, and miscellaneous financial and other restrictions", according to the U.S. Department of State.