Final answer:
Accidents are the leading cause of death in the United States for people in their 20s and 30s.
Step-by-step explanation:
The leading cause of death in the United States for people in their 20s and 30s is accidents such as car crashes, falls, and accidental drug overdoses. These incidents are often preventable and can be caused by various factors including risky behavior, inexperience, and substance abuse.
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