Why was the nazi party bad before the us knew of concentration camps?

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

The purpose of the comintern was a. to spy on anti-communist activity. b. to spread communism in other countries. c. to administer communist rule. d. to develop future communist leaders.

Which two sentences in this passage talk about china’s efforts to curb environmental degradation?