【正文】
in some form. Historical data include evidence about how families, groups, institutions and whole countries were formed and about how they have evolved while retaining cohesion. For many Americans, studying the history of one39。s own family is the most obvious use of history, for it provides facts about genealogy and (at a slightly more plex level) a basis for understanding how the family has interacted with larger historical change, thereby family identity is established and confirmed. Studying History Is Essential for Good Citizenship A study of history is essential for good citizenship. This is the most mon justification for the place of history in school curricula. History provides data about the emergence of national institutions, problems, and values— it39