Explanation:

- Negligence: This is the most common tort. It occurs when a person fails to exercise reasonable care, leading to injury or damage to another person. It covers car accidents, medical malpractice, and slip and fall cases.

- Correct Answer: Negligence

- Assault: This tort involves intentionally causing someone to fear imminent harmful or offensive contact. Unlike battery, it doesn't involve physical contact.

- Nuisance: This occurs when someone's use of their property interferes unreasonably with others' enjoyment of their property, like excessive noise or pollution.

- Defamation: This involves harming a person's reputation by making false statements, either spoken (slander) or written (libel).