Underneath his cornfield, John Waters finds the remains of an ancient Native American settlement. Which independent agency would be interested in making arrangements for the protection of this site?

The Advisory Council on Historic Preservation is concerned with protecting historic and archaeological sites, including places significant to Native American history. The National Endowment for the Arts supports the arts, the National Endowment for the Humanities supports humanities projects, and the National Archives preserves government records. Therefore, the best choice is the Advisory Council on Historic Preservation.

AI-written and checked against the verified answer.