3. In paragraph 4, law professor Catherine Ross begins her discussion of the Tinker v. Des Moines decision by stating that "Tinker came up during the Vietnam War." What is the purpose of introducing the Vietnam War at
this part of the discussion?
A. to show how unusual the Tinker case actually was
B. to provide important social and historical context of the students' protest
C. to provide background that explains the reactions of the school authorities
D. to demonstrate that Ross is an unbiased authority in her field