History of economic thought its critics. Socialism emerged in response to the miserable living and working conditions of the working class in the new industrial era, and the classical economics from which it sprang. The economic and political theory published in "The Communist Manifesto" (1848) and "Das Kapital" (1867) combined with the dialectic theory of history inspired by Friedrich Hegel (1770–1831) to provide a revolutionary critique of nineteenth-century capitalism. In 1845 German radical Friedrich Engels (1820–1895) published "The Condition of the Working Class in England in 1844", describing workers in Manchester as "the most unconcealed pinnacle of social misery in our day." After Marx
Social and economic stratification in Appalachia North and South Carolina, and Tennessee), central (portions of Kentucky, West Virginia, Ohio, Virginia, and Tennessee), and northern (parts of New York, Pennsylvania, Maryland, and Ohio) Appalachia. Though all areas of Appalachia share problems of rural poverty, inadequate jobs, services, transportation, education, and infrastructure, some elements (particularly those relating to industry and natural resource extraction) are unique to each sub-region. For example, Appalachians in the central sub-region experience the deepest poverty, partially due to the area's isolation from urban growth centers. Appalachia is particularly interesting in the context of social and economic divisions within and between the region's socioeconomic communities.