The term "land" refers to the physical surface of the Earth that is not covered by water. In the context of this question, it specifically refers to a valuable resource that can be utilized for various purposes, including agriculture and construction.
Related terms
Homestead Act: This legislation provided free or low-cost land to settlers in the western United States, encouraging westward expansion.
Public Land Survey System: A method used to divide and distribute land in the United States into manageable sections.
Bureau of Land Management (BLM): An agency responsible for managing public lands in the United States, overseeing activities such as leasing, conservation, and recreation.