What is the difference between the simple model and the dyadic model of the democratic peace theory?

• A. The simple model states that democracies are more peaceful in general, while the dyadic model states only that democracies do not fight each other.
• B. The simple model states that democracies are always peaceful, while the dyadic model states that democracies will avoid world war but may enter into war with a single opponent.
• C. The simple model states that democracies are more peaceful than all other forms of government, while the dyadic model says that democracies are more peaceful than communist governments but less peaceful than other types of governments.
• D. The simple model is focused on all types of war, while the dyadic model is focused on only civil war.