What are the specific powers that the constitution gives the presedit?

Which of the following is one example of an ideological conflict that became one of the causes of world war ii?

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 the overall impact of eli whitneys introduction of interchangeable parts?