Which of the following is an example of attachment or annexation?

Attachment or annexation refers to items that are physically attached or connected to a property in a way that makes them part of that property. These items typically contribute to the functionality or value of the property. In this case, a fence installed around the land serves as a physical structure that defines the boundaries of the property and provides security, aesthetics, or privacy. Because the fence is permanently affixed to the land, it is considered an integral part of the real estate.

The other examples do not constitute attachment or annexation. A tree planted on the property may seem to be attached, but it is often regarded as a natural fixture rather than an improvement made by a human for defined use, thus requiring careful context. A mortgage, on the other hand, is a financial instrument and does not physically attach to the property. A car parked in the driveway is considered personal property and remains movable, so it does not qualify as part of the real estate nor is it affixed to the property permanently.