What is most likely the purpose of this artwork? A. a historical record of the fashion trends of an era in time B. a historical record of a major historical event
C. a historical record of how land appeared
D. a historical record of the story of Native American people

We can use the process of elimination to find your answer. The painting has nothing to do with clothing or Native Americans, so it can't be A or D. This painting is showcasing a canyon, so your answer should be B.

i believe their role is to instruct certain sections on when they are to join and when they are to stop