Mikhail Gorbachev and following the Chernobyl disaster of 1986 pursued this agenda. Gorbachev's policies of "glasnost" ("openness") and "perestroika" ("restructuring") and his reorientation of Soviet strategic aims contributed to the end of the Cold War. Under this program, the role of the Communist Party in governing the state was removed from the constitution, which inadvertently led to crisis-level political instability with a surge of regional nationalist and anti-communist activism culminating in the dissolution of the Soviet Union. Gorbachev later expressed regret for his failure to save the Soviet state, though he has insisted that his policies were not failures but rather were
The Age of Openness international perspective." While Dikötter does not deny the devastation caused by the Chinese Civil War or the Japanese invasion, he nonetheless argues that the Republican period was a "golden age of openness" in which the country was making substantial progress toward modernity, boldly experimenting with ideas and market reforms, and building vast infrastructure projects. Historian Jonathan Spence wrote that "The Age of Openness" ""presents a cornucopia of graphic examples to show that China in the first half of the twentieth century, far from being in a state of decay that called for revolutionary action, was in fact a vibrant and