Why Does Accountability Reduce the Likelihood of Democracies Going to War

Why does accountability reduce the likelihood of democracies going to war?

A) The responsibility of elected governments to reduce deficit spending will also inhibit their ability to launch costly wars.
B) Democracies face more liability from international organizations for violating the rules of war.
C) Through elections,voters will remove leaders who start wars viewed as wasteful or unwise.
D) Voters are more likely to elect leaders who refuse to participate in conflict.