SEOUL, South Korea, June 4 -- South Korea's new President Lee Jae-myung vowed Wednesday to restart dormant talks with North Korea and bolster a trilateral partnership with the US and Japan, as he laid out key policy goals for his single, five-year term.

Lee, who rose from childhood poverty to become South Korea's leading liberal politician vowing to fight inequality and corruption, began his term earlier Wednesday, hours after winning a snap election that was triggered in April by the removal of then-President Yoon Suk Yeol over his ill-fated imposition of martial law late last year.

According to AP, in his inaugural address at the National Assembly, Lee said that his government will deal with North Korean nuclear threats and its potent...