What were Marx's and Engels' visions when they worked on The Communist Manifesto?

Karl Marx's and Friedrich Engels' visions were for a totally egalitarian society. "From each according to his ability; to each according to his need". This vision is often called 'Marxist Utopia'. It is the ultimate end goal of socialism - true communism, where the class struggle is now over and the dictatorship* of the proletariat** (*not to be confused with classical dictatorships such as Nazi Germany or Mussolini's Italy) (**the workers) rules unadulterated and without threat of bourgeois (upper-class) infiltrators. Everyone has everything they need to survive and be content, plus more that can be afforded by the resources of the world. Another point is that the end goal is for communism to be implemented throughout the world - to each and every corner of the globe. There is no war in this end goal, no exploitation, and no bigotry. This end goal is anarchistic, as there is no state, rather, the people are now able to organise and sustain themselves and the communist system. The workers control all the means of production and the produce is distributed according to need. A modern idea for the communist utopia is automation: manual, undesirable jobs can be occupied by advanced machines which frees up humans to follow their passions and contribute to society this way.