Answer :

Gibbs
Disagreement as a value and as a political function is protected in a democracy because it is essential to the functioning of democracy. The free competition of ideas and the space to debate these ideas is essential to the functioning of a democracy. 

Answer:

D. reasonable people will disagree on what is best for the public interest

Explanation:

A. disagreements are fun to watch

B. disagreements is a public good

C. disagreement is not protected in a democracy

D. reasonable people will disagree on what is best for the public interest