Seoul, South Korea — Accusing the United States of hostility and threats,
Officials gave instructions to "reconsider in an overall scale the trust-building measures that we took on our own initiative… and to promptly examine the issue of restarting all temporally-suspended activities," the KCNA said.
Experts say Kim is reviving an old playbook of brinkmanship to extract concessions from Washington and neighbors as he grapples with a decaying economy crippled by the pandemic, mismanagement and over his nuclear ambitions.
The North has been , including four rounds of missile launches just this month, in an apparent effort to pressure Washington over a prolonged freeze in nuclear diplomacy.
The North's Foreign Ministry had already warned of stronger action after the Biden administration last week
South Korea said its military was closely monitoring the North as it urged its rival to return to dialogue.
China, North Korea's main ally, repeated its denouncement of U.S. sanctions through a Foreign Ministry briefing on Thursday, calling them a source of tension on the Korean Peninsula. China has avoided criticizing the North over its recent missile launches and endorsed a return to multinational disarmament talks hosted by Beijing that have stalled since 2008.
Kim of his nuclear and intercontinental ballistic missile tests in 2018, as he initiated talks with then-President Donald Trump in an attempt to leverage his nukes for badly needed economic benefits.
Their summits followed a provocative run in North Korean nuclear and intercontinental range ballistic missile testing in 2017 that demonstrated Kim's pursuit of an arsenal that can target the American homeland. He also exchanged threats of nuclear annihilation with Trump. But negotiations have stalled since their second summit in 2019, when the Americans for major sanctions relief in exchange for a partial surrender of its nuclear capabilities.
At the end of 2019, Kim returned to familiar threats and said the North was no longer obligated to maintain its suspension on nuclear and ICBM tests, which Trump touted as a major achievement.
However, the pandemic thwarted many of Kim's economic goals as the North imposed a lockdown and halted most of its trade with China.
North Korea appeared this month to have resumed railroad freight traffic with China that had been suspended for two years.
It conducted its sixth and last test of a nuclear explosive device in September 2017. and its last launch of an ICBM was in November that year.
Some experts say that the North could dramatically raise the ante in weapons demonstrations after the end of February's . They say Pyongyang's leadership likely feels it could use a dramatic provocation to move the needle with the Biden administration, which has offered open-ended talks but showed no willingness to ease sanctions unless Kim takes real steps to abandon his nuclear and missile program.
Saying that U.S. hostility has reached a "danger line" that can no longer be overlooked, the North Korean Politburo members called for practical measures to "more reliably and effectively increase our physical strength for defending dignity, sovereign rights and interests of our state," the KCNA said.
They criticized the United States for continuing military exercises with South Korea and arming its ally with advanced weaponry and claimed — apparently falsely — that Washington is continuing to send strategic assets to the region to pressure the North.
The United States since 2018 has dramatically scaled down its combined exercises with South Korea, which have mostly been reduced to computer simulations, to make room for diplomacy with North Korea and over COVID-19 concerns.
Duyeon Kim, an analyst at Washington's Center for a New American Security, said North Korea's claim of U.S. hostility is a pretext for continuing testing.
"Pyongyang is squarely focused on meeting its nuclear weapons milestones because of its military imperative to do so. This means more tests to come," she said. "The pandemic has bought Pyongyang ample time to continue developing nuclear weapons because North Korea closed its borders and has been refusing direct talks, afraid of importing the virus."
Kim Jong Un in recent years had showcased some new weapons he may wish to test, including what appeared to be North Korea's largest ICBM that was rolled out during a military parade in October 2020.
He also issued an ambitious wish list of sophisticated weaponry early last year while setting a five-year plan to develop military forces, which included hypersonic missiles, solid-fuel ICBMs, spy satellites and submarine-launched nuclear missiles.
If the North does stage another nuclear test, it may use it to claim it acquired an ability to build a nuclear warhead small enough to fit on aso far this year, experts say.
Last week, the U.S. Treasury Department imposed sanctions on five North Koreans over their roles in obtaining equipment and technology for the country's missile programs.
The State Department ordered sanctions against another North Korean, a Russian man and a Russian company for their broader support of North Korea's weapons of mass destruction activities. The Biden administration also said it would pursue additional U.N. sanctions over the North's tests.
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