The study of History at Oxford combines the examination of large regions over extended periods of time with more focused work on smaller groups, shorter periods and particular problems. It provides a distinctive education by developing an awareness of differing political, cultural, social and economic structures in past societies and their interrelationship. It combines vigorous debate over questions of interpretation with rigorous attention to the source materials. Its constant enrichment by cross-fertilisation from other disciplines leads to new questions about the past. Oxford is celebrated for the broad chronological sweep of its courses and the enormous amount of choice offered to students.