Driving his sport utility vehicle negligently, Bart crashes into a streetlight. The streetlight falls, smashing through the roof of a house, killing Chris. But for Bart's negligence, Chris would not have died. Regarding the death, the crash is the

Cause in fact

Explanation:

Cause in fact: The term "cause in fact" is also denoted as "factual cause" or "actual cause" and is described as a scenario whereby the defendant's breach has caused a specific chain of events that lead to an individual's damages directly. In the given scenario, the person needs to prove that the defendant caused him or her injuries in reality.

Example: If a particular bus tends to strike an individual's car, then the actions of bus driver are considered as the "actual cause" for the given accident.

In the question above, the given statement represents "cause in fact".