Final answer:
No, Theresa was not correct. The easement does not automatically terminate after a certain period of time.
Step-by-step explanation:
No, Theresa was not correct. The fact that Joe hadn't enforced the easement in 18 years does not automatically terminate the easement. The legal concept of easement by prescription allows an easement to continue even if it has not been actively enforced for a certain period of time. The exact length of time required for an easement to be deemed abandoned or terminated varies by jurisdiction.
In order for an easement by prescription to be established, certain conditions need to be met. These typically include open, continuous, and uninterrupted use of the easement for a specific period of time, which is usually much longer than 18 years.
Without more information about the specific laws and regulations in Theresa's jurisdiction, it cannot be determined whether Joe's easement rights have automatically terminated. It would be advisable for Theresa to consult with a legal professional who specializes in property law in her area to get a clear understanding of her rights and obligations.