The document discusses Adam Smith's concept of the "invisible hand" and how individual self-interest can benefit society. It asks the reader to address: 1) What Smith meant by the invisible hand and how it functions. 2) How Smith's work reacted to the dominant economic theory of mercantilism. 3) Whether all 19th century thinkers agreed with Smith's laissez-faire economic views and how Marx critiqued it. 4) How Smith's and Marx's influences are reflected in the modern US mixed economy. The reader must answer in 1,250-1,500 words using APA style and citing 3-5 sources.