Victor Cha, Korea chair at the Center for Strategic and International Studies, made the prediction after analyzing data on North Korean provocations related to South Korean elections.
The official pointed out the recent engagement with the Chinese, and the stronger language calling for more Chinese pressure on North Korea, is the most immediate impact of that review.
He also said his country had rejected a UN Security Council briefing on North Korea planned for April 28, which US Secretary of State Rex Tillerson is expected to attend.
"Allowing this dictator to have that kind of power is not something that civilized nations can allow to happen", he said in reference to Kim. He said North Korea's nuclear program was non-negotiable.
The 38 North program is part of the US-Korea Institute at Johns Hopkins University in Washington. In return, he said, the US will accept trade deficits with China.
North Korean special-forces soldiers march and shout slogans during a military parade marking the 105th birth anniversary of country's founding father, Kim Il Sung, in Pyongyang, April 15, 2017. Frontrunner Moon Jae-in was criticized for leaving his options open before the May 9 election. North Korean Vice Minister Han Song Ryol responded that if "the USA is planning a military attack against us, we will react with a nuclear pre-emptive strike by our own style and method". It has said it has developed a missile that can strike the mainland United States, but officials and experts believe it is some time away from mastering the necessary technology, including miniaturizing a nuclear warhead.
The United States, its allies and China are working on a range of responses to North Korea's missile test, USA officials have said. We've said it as clearly as we can possibly say it.
"We'll defeat any attack and we will meet any use of conventional and nuclear weapons with an overwhelming and effective response", Pence said after a meeting Hwang Kyo Ahn, South Korea's acting president.
The US military's Pacific Command explained that the USS Carl Vinson strike group first had to complete a shorter-than-planned period of training with Australia.
In other images from the Asia-Pacific region last week, two young women accused of poisoning Kim Jong Nam appeared in court as their lawyers said Malaysian police still have not handed over security camera footage and documents crucial to the defense.
"The truth seems to be that the United States military and president jointly created fake news and it is without doubt a rare scandal in U.S. history, which will be bound to cripple Trump's and USA dignity", it said.
North Korea has a long history of portraying the mock violent demise of the United States in animated videos, usually released to mark national holidays.
The Rodong Sinmun, the official newspaper of the North's ruling Workers' Party, did not mince its words.