Hu Yaobang Yaobang's support was partially responsible for Hu Jintao's rapid promotion during the 1980s. Some observers noted that Hu Yaobang's rehabilitation made it more likely that the Party would be willing to re-evaluate the 1989 Tiananmen protests, but other observers expressed skepticism. Memorials with the purpose of recognizing the date of someone's birth or death are often signs of political trends within China, with some pointing to the prospect of further reform. Skeptics noted that Hu Jintao made a statement praising the governments of Cuba and North Korea (in spite of their economic "flaws") shortly after announcing Hu Yaobang's public commemoration,
Hu Jintao four times (2008, 2007, 2005 and 2004) on the Time 100 annual list of most influential people. Political observers indicate that Hu distinguished himself from his predecessor in both domestic and foreign policy. Hu's political philosophy during his leadership is summarized by three slogans — a "Harmonious Socialist Society" domestically and "Peaceful Development" internationally, the former aided by the Scientific Development Concept, which seeks integrated sets of solutions to arrays of economic, environmental and social problems, and recognizes, in inner circles, a need for cautious and gradual political reforms. The Scientific Development doctrine has been written into the Communist Party