Final answer:
A one-square-mile square formed in the use of the rectangular government survey system is a section as defined in the rectangular government survey system.
Step-by-step explanation:
The correct option that represents a section is: A one-square-mile square formed in the use of the rectangular government survey system. In the rectangular government survey system, a section refers to a one-square-mile area. This system was introduced by Thomas Jefferson as a replacement for the metes and bounds system, with the goal of creating a well-ordered division of land using a rectangular grid system.