With Regard to Deaths Caused by War, Which of the Following

With regard to deaths caused by war, which of the following is accurate?

A) The number of deaths caused by war-related violence has been increasing during the post-WW II era.
B) The number of deaths caused by war-related violence has been decreasing during the post-WW II era.
C) The number of deaths caused by war-related violence has remained about the same during the post-WW II era as before it.
D) A significant number of the deaths caused by war in the post-WWII era have resulted from low-yield nuclear weapons used in the poor developing regions of the world.