Which of These Is a Primary Reason That History Commonly

Which of these is a primary reason that history commonly matters in political life?

A) Voters can only choose from candidates whose families have previously won elected office.
B) American politicians have traditionally lacked the creativity to come up with new policy ideas.
C) History is a very popular major in college.
D) Rules and procedures have consequences for years, decades, or even centuries.
E) Many political documents are written in classic languages like Sanskrit, Latin, and Aramaic.