As historiography evolves, new approaches have been applied to the Irish situation. Studies of women, and gender relationships more generally, had been rare before 1990; they now are commonplace with over 3000 books and articles.[62] Postcolonialism is an approach in several academic disciplines that seeks to analyze, explain, and respond to the cultural legacies of colonialism and imperialism. The emphasis is usually on the human consequences of controlling a country and establishing settlers for the economic exploitation of the native people and their land.[63][64][65]