Short answers, pulled from the story.
Jiang Zemin was a Chinese politician who served as general secretary of the Chinese Communist Party from 1989 to 2002, chairman of the Central Military Commission from 1989 to 2004, and president of China from 1993 to 2003. He was the third paramount leader of China and is recognized as one of four core leaders alongside Mao Zedong, Deng Xiaoping, and Xi Jinping.
Jiang Zemin was selected as a compromise candidate following the 1989 Tiananmen Square protests. He replaced Zhao Ziyang, who was ousted for supporting the student movement, and was formally appointed general secretary at the fourth plenum of the Thirteenth Central Committee on the 24th of June 1989. He was chosen over several other candidates, including premier Li Peng and elders Li Xiannian and Chen Yun.
Jiang introduced the Three Represents on the 25th of February 2000. The theory justified incorporating private business owners and capitalist elements into the Chinese Communist Party by reframing the party's mission from serving peasants and workers to serving the "overwhelming majority of the people." It was written into both the party and state constitutions at the 16th CCP Congress in 2002.
Under Jiang's leadership, China joined the World Trade Organization in 2001 after accepting accession terms stricter than those imposed on other developing countries. The state sector was restructured, removing as many as 40 million workers from state enterprises through the Xiagang process. China sustained an average of around 8 percent annual GDP growth and rose from the sixth to the second largest economy in the world during this period.
Jiang Zemin died on the 30th of November 2022 at the age of 96 in Huadong Hospital in Shanghai. According to the Xinhua News Agency, he died at 12:13 pm from leukemia and multiple organ failures. His body was cremated at Babaoshan Revolutionary Cemetery and his ashes were scattered near the mouth of the Yangtze River.
Jiang oversaw a series of missile tests in waters surrounding Taiwan in 1996, triggering the Third Taiwan Strait Crisis after President Lee Teng-hui's visit to Cornell University. On the 30th of January 1995, Jiang had put forward his "Eight Points for the Peaceful Reunification Process." He later proposed "three things that can be discussed" regarding unification at the 16th CCP National Congress in November 2002, just before stepping down.