In this context, Gorbachev argued that the Communist Party had to adapt and engage in creative thinking much as Lenin had creatively interpreted and adapted the writings of Karl Marx and Friedrich Engels to the situation of early 20th century Russia. For instance, he thought that rhetoric about global revolution and overthrowing the bourgeoisie—which had been integral to Leninist politics—had become too dangerous in an era where nuclear warfare could obliterate humanity. He began to move away from the Marxist–Leninist belief in class struggle as the engine of political change, instead viewing politics as a ways of co-ordinating the interests of all classes. However, as Gooding noted, the changes that Gorbachev proposed were "expressed wholly within the terms of Marxist-Leninist ideology".