What date was it when it was confirmed that the ussr had a nuclear bomb?

Which statement from the declaration of independece best reflects the enlightment ideas of popular sovereignty

Which of the following best describes how the maya civilization was governed

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