IF YOU GET THIS RIGHT I WILL MAKE YOU THE BRAINLIEST

What is walt whitman's poem "when i heard the learn'd astronomer about?

The term globalization is best defined as: a. a reduction in the political and military power of imperial countries over their colonies. b. an increasing interaction among citizens and businesses of countries around the world. c. the spread of philosophies based on the right of all nations to political independence. d. the establishment of international laws protecting all people's human and civil rights.

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