What two groups of nations were developed in World War I?

Compare how one's social status affect his or her opportunities in ancient greece and rome?

What are the two powers that the federal and state governments share?

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