Based on the graph, we can surmise that C) Korean civilian deaths were very high because the fighting took place on Korea's soil.
The Korean War
- Was fought between North Korea and her allies vs South Korea and her allies.
- Led to millions of deaths especially amongst civilians.
Millions of Korean civilians lost their lives in this conflict because the war was being fought on Korean soil which meant the civilians were often trapped between armies.
In conclusion, option C is correct.
Find out more on the Korean war at https://brainly.com/question/789825.