How many singers are required before the group is considered an a cappella chorus? a. four singers total are needed. b. only one or two singers per part are all that is needed. c. the number of singers can vary. d. there should be 8–10 singers to a part.

In one to two paragraphs, explain how changing context and interpretation have influenced viewpoints of dorothea lange’s portrait "migrant mother.” in your analysis, be sure to include the photograph’s meaning amid changing social, economic, and political climates, as well as the photograph’s value to photojournalism. include supporting evidence in the form of details, statistics, facts, or quotations.