What happens to almost every important event on its way to becoming history

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

What was a major failing of the united states government under the articles of confederation?

Unique among the rulers of this time, persian emperors installed governors in their provinces tolerated local cultures and laws wielded absolute power maintained an extensive army