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:
Importance of the national democratic revolution in relation to the global anti-imperialist movement

Emerging from its costly wars of aggression in Indochina, the US hoped to make profits from military sales to the oil producing countries and expand production with the use of petrodollars deposited in Western banks
