Infant mortality soars. Most of the major wars and terrorist actions occurring right now are occurring in World A countries. A lack of basic understanding of medicine and health means disease can ravage a population. Infections and viruses abound in the wake of natural disasters. A lack of clean water brings more deaths.
Thousands die in earthquakes when buildings simply cave in.
Hundreds of thousands go homeless when typhoons flood their villages and destroy their homes. Many starve when massive snowstorms kill their animals. Christians in World A countries may be persecuted, arrested, harassed, imprisoned, tortured, fined, kicked out of their families, denied food, denied water, denied medical care, assassinated, condemned, exiled or executed. World C countries have an abundance of evangelistic activity. Less is what they are receiving.