How is the boston tea party significant in the history of DEBATE and DIPLOMACY? (ANY IRRELEVANT ANSWERS WILL BE REPORTED!)

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

So i need to know the answer to thisi

Why would employers want there to be large numbers of unemployed workers around?