The ‘Communist Manifesto’ was published in 1848. It marked the advent of Marxism or ‘Scientific Socialism’, as they called it. According to Karl Marx and Engels the interests of the capitalists and workers are all the time opposed to each other. They laid stress not he doctrine of Class Struggle. The struggle between the capitalists and the working classes is a ceaseless affair, until the workers have won and a new social system is bom.