Socialism: Utopian and scientific

As background, let me cite the fact that in the Communist Manifesto of 1848, Marx and Engels had already differentiated Scientific Socialism from Utopian Socialism of three kinds:
In transition to the resurgence of the World Proletarian Revolution

I daresay that the current wave of mass protests signals the transition to a new era of unprecedented anti-imperialist and anti-fascist resistance by the peoples of the world
