The US Web Design System has deleted it's info on inclusive design, in response to the 2025-01-20 Executive order "Ending Radical And Wasteful Government DEI Programs And Preferencing".
https://github.com/uswds/uswds-site/pull/3078
If you know anyone who used those resources, let them know about the Inclusive Design principles:
https://inclusivedesignprinciples.info/