Amache, only established as a National Park Service (NPS) unit in early 2024, serves as a reminder of a grim period in American history. “We're worried about whitewashing.

The Department of the Interior is requiring the National Park Service to post signs nationwide by June 13 asking visitors for feedback on any information they feel misrepresents American history.

National Park Service sites are also being told to identify “any public monuments, memorials” and the like that have been altered from Jan, 1, 2020, through May 20, 2025, according to the memo.