Revolutions of 1848 carried out, occurred in Greater Poland. Next, the middle classes began to agitate. Karl Marx and Friedrich Engels, working in Brussels, had written "Manifesto of the Communist Party" (published in German in London on February 21, 1848) at the request of the Communist League (an organization consisting principally of German workers). Following the March insurrection in Berlin, they began agitating in Germany. They issued their "Demands of the Communist Party in Germany" from Paris in March; the pamphlet urged unification of Germany, universal suffrage, abolition of feudal duties, and similar middle-class goals. The middle and working classes thus shared a
Economic, social and cultural rights theory of negative and positive rights considers economic, social and cultural rights positive rights. Economic, social and cultural rights Economic, social and cultural rights are socio-economic human rights, such as the right to education, right to housing, right to adequate standard of living, right to health, victims' rights and the right to science and culture. Economic, social and cultural rights are recognised and protected in international and regional human rights instruments. Member states have a legal obligation to respect, protect and fulfil economic, social and cultural rights and are expected to take "progressive action" towards their fulfilment. The Universal Declaration