Marx was a full-time activist in the European movements for social change,inspired positively by the values of the French revolution and negatively by the miseries of this time,the great inequalities of wealth,poor health conditions,average incomes at the bare minimum of subsistence,child and women labour, bad housing conditions,high infant mortality,etc.Whereas (neo)classical economists justify capitalism for its rate of growth,technical dynamism, and productive efficiencies,Marx concentrated on the massive human costs of capitalism