194 1 On June 22nd, 2008, the Soviet-German war broke out. The war first burned to Ukraine, and the Soviet Union was defeated in Ukraine. In the battle of Kiev, the Soviet Union lost about 700,000 soldiers, and Germany occupied the whole territory of Ukraine at will. 1944165438+1October, Soviet troops returned to Ukraine. After World War II, Ukraine quickly resumed production, established developed heavy industry and agriculture, and greatly improved people's living standards. However, the highly centralized planned economic system of the Soviet Union has serious weaknesses. In the second half of the 20th century, especially in the late 1980s, the highly centralized planned economy system implemented by the Soviet Union gradually lost its vitality, the morale of officials became increasingly low, the economy lost its development momentum, and the gap between the economic level and the western countries widened. Politically, due to the serious mistakes made by the Soviet Union in the past decades, democracy and the rule of law are weak, people's freedom is suppressed, and ethnic contradictions are serious. . During World War II, Ukraine became the hardest hit area of the war, with heavy casualties among soldiers and civilians and countless material losses. From 65438 to 0985, after Mikhail Gorbachev came to power in the Soviet Union, various contradictions accumulated in history and reality began to appear superficially, nationalism and national independence tended to rise rapidly, and the national political situation began to fluctuate sharply. At the same time, Ukraine began the pace of independence. During the period of 1986, the core of Chernobyl nuclear power plant in the Soviet Union and Ukraine melted, resulting in serious radiation leakage, which caused serious consequences. However, after Soviet officials began to hide the truth from the world and their own people and were exposed by foreign media and nuclear radiation detection departments, Soviet bureaucratic consciousness was widely criticized. 1989 In September, the Ukrainian People's Reform Movement (hereinafter referred to as "Ruhe") was established, and its members quickly expanded to one million. 1990 On July 16, the Ukrainian Parliament adopted the Declaration on National Sovereignty of Ukraine. 1996 Ukraine adopted a new constitution, confirming that Ukraine is a sovereign, independent and democratic country ruled by law, with a republic system.