Socialism is the one that is being referred when the economic system in which the government has the ability to manage the economy in terms of the interest of the particular, workers. It is an act of practicing ownership and control in terms of social and economic system.
The April 1986 disaster at the Chernobyl nuclear power plant in Ukraine was the product of a flawed Soviet reactor design coupled with serious mistakes made by the plant operators. It was a direct consequence of Cold War isolation and the resulting lack of any safety culture.