Final answer:
In the State of New Jersey, a social host can potentially be held liable if a guest involved in a drinking and driving collision after a party causes harm. Certain factors need to be proven to establish liability, such as the host's knowledge of the guest's intoxication and the foreseeability of the harm.
Step-by-step explanation:
In the State of New Jersey, if you host a party and a guest is involved in a drinking and driving collision after the party, you can potentially be held liable under certain circumstances. New Jersey has a social host liability law, which means that a person who serves alcohol to a guest can be held responsible if the guest causes harm to themselves or others as a result of their intoxicated state.
To establish liability, certain factors need to be proven, such as the host's knowledge of the guest's intoxication, the provision of alcohol to an already visibly intoxicated person, and the foreseeability of the harm that occurred.
It is important to note that laws regarding social host liability may vary from state to state, so it is always advisable to consult with a legal professional for advice specific to your situation.