An eighth-grade teacher is planning a lesson on the Civil War. One of the teacher's goals is for the students to be able to compare and contrast political viewpoints of the north and south. Which of the following activities should the teacher incorporate in order to meet this goal?

A. Write a procedural text outlining the political events
B. Assign groups in the classroom a political issue to study and present
C. Research the Civil War on the Internet
D. Use a Venn diagram to distinguish the viewpoints of the two sides