A student investigating an exhibition of historical maps made these notes: • The exhibit includes nineteenth-century maps drawn by government surveyors. • Several maps leave Indigenous travel routes unlabeled. • Community historians contributed oral accounts and modern route overlays. • The original maps remain on display with notes explaining their omissions. • The opening text should help visitors treat maps as selective records, not neutral mirrors. The student is writing for a specific purpose: to write the opening text for general visitors with an interpretive but balanced frame. Which sentence would be most effective?