What Is One Reason Why There Would Be a Democratic

What is one reason why there would be a democratic peace?

A) People who want to be leaders of democracies are always more peaceful than leaders of autocracies.
B) Citizens of democracies are able to use a domestic institutions system to resolve their differences.
C) The positions of autocratic leaders are always more tenuous than those of democratic leaders,so autocratic leaders are less likely to go to war.
D) The citizens who bear the costs of war restrain leaders from beginning international conflicts.
E) International organizations have increased the number of opportunities for transparent negotiations between countries.