 Further, she notes that Turner’s frontier concept excludes much of geographical, technological, and economic aspects of Western life by limiting the frontier to agrarian settlements.Limerick’s goal is to reinterpret Western history under the term conquest, without the concept of the frontier (including its closing in 1890).In these changes Limerick reorients the way historians think of Western history, as she writes, “Reorganized, the history of the West is a study of a place undergoing conquest and never fully escaping its consequences.