I need help on knowing which percentage is correct

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

Match each form of japanese art with its description email yamato’s noh

Why did win shihuangdi force all nobles to live at the capital?