On 22 January 1990, two opposition leaders Kim Young-Sam and Kim Jong-Pil led their parties merged into the ruling party Democratic Justice Party, formed as Democratic Liberal Party, led by President Roh Tae-woo. Before merged Roh's party did not have a majority in National Assembly. After merged they had over two-thirds majority, which could pass all the bills without any obstruct from the opposition. This was angry to Kim Dae-Jung, who had been three times force to go on a hunger strike. In 1992, businessman Chung Ju-yung came into join the elections.
The right-wing conservative Democratic Liberal Party presidential candidate Kim Young-Sam won the presidential election, defeated opposition leader Kim Dae-Jung, which was his third time to be defeated. Kim later announced to retire from politics. The conservative party won the election continued to hold the government until 1998, when Kim Dae-Jung won the elections.