What was the cause of such high casualty rates?

High casualty rates during conflicts can often be attributed to several factors, including the intensity and scale of the warfare, the use of advanced weaponry, and the targeting of civilian populations. Additionally, inadequate medical care, lack of resources, and the displacement of communities can exacerbate the situation. Environmental factors, such as famine or disease, may also contribute significantly to mortality rates in war-torn areas. Overall, the combination of military strategy and humanitarian crises plays a critical role in determining casualty figures.