Why do we know so little about the Harappans

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 are the media and the press sometimes referred to as? a.the fourth estateb.the sixth branchc.the mouthpiece of the governmentd. the first estate

Which south american patriot of lrish descent became the leader of newly independent chile