A causal inference may not be supported by known facts, but can often be correctly assumed.
Right after I saw lightning outside, our electricity went out. (causal: lightning caused the outage)
While it was raining very hard, I noticed the window was leaking water. (causal; rainwater found a break around the window)
After mom's car hit the pothole, the tire blew. (causal: the sharp edge of the pothole caused the tire to blow)
The injured child was one of many causalities in a long war.
if you mean human causalities, I believe we are talking about 12 000 000 people.
1941-1945
30000
17 million
53 000
2,600
60,000-80,000
500 people on both sides
US troops, about 34,000 killed in action and about 150,000 wounded
It was at Krakatau, Indonesia in1883. The number of causalities was estimated at 36,000.
Gettysburg