Answer:
Signaling Rules
Explanation:
the question is asking which law can prevent car crashes, and the only thing that can alert other drives is signals, so if you were merging into another lane, make sure to use signals, because it can prevent a car crash.
Signal rules are laws or rules prevent or reduce injury by preventing crashes.
Signals rules are guidelines or information for road user such as car owners and pedestrian.
They are general rules guiding conduct and misconduct of road users and pedestrian.
Therefore, signal rules are laws or rules prevent or reduce injury by preventing crashes.
Learn more on signal rules here,
https://brainly.com/question/24401676
