Blair and Devin Support Different Presidential Candidates and Frequently Debate

Blair and Devin support different presidential candidates and frequently debate the claims that each candidate makes against the other on various issues. Devin persists in heatedly arguing that the candidate who wears nice clothes is better because fashion sense equates to political sense. Blair insists that they both look up evidence that supports both candidates' positions using independent sources. Blair's ground rules for the debate show good principles of

A) critical thinking.
B) debate.
C) psychology.
D) social control.