What was reconstruction? was it successful? why or why not?

The declaration of independence gave the americans concrete reasons for the revolution

Which would make the best heading for this list of notes about the migration of african-americans during the reconstruction era?

Which source would best a historian understand the effect of the great chicago fire on families? a. a biography of a chicago family displaced by the fire b. a letter from a grandmother in new york to her family in chicago c. a newspaper editorial about families who were displaced d. an oral history dictated by an adolescent who fled the fire