Which Objections Can Be Found Against the Democratic Peace Thesis

Which objections can be found against the democratic peace thesis? Please select all that apply.

A) Many wars were fought by democracies against non-democracies.
B) Democratization can increase the likelihood of internal turmoil.
C) The democratic peace thesis never actually played a role in actual democracy promotion.
D) The democratic peace thesis only holds if a very restricted definition of war is applied.