Social force that expands during the renaissance; rise of merchant class. The outlook of rising merchant class will be practical. Will purpose a new ethics that will equate the useful with the good. The term ideology was born at the time of the french revolution and it was created by a french enlightenment philosopher antoine destott de tracy (1754 - 1836) The fact that it was invented by an enlightenment philosopher is important: the age of enlightenment or the age of reason was a widespread cultural movement in the. Antoine de tracy says we should no longer speak of philosophy but of ideology: a science of ideas. Ideology offers us a scientific approach to ideas and the scientific approach would mean a practical study of ideas and this practical study will be aimed at transforming the world into a better place. When the term appears in the middle of the french revolution, becomes an instant success; widely used.