It justified the military campaigns that followed.

It provided a narrative of white American victimhood that made the subsequent conquest of the Plains nations seem like justified revenge rather than the continuation of a colonial project.

The cracks in this mythology began to appear slowly.

Scholars who took Indigenous accounts seriously, and who read the political history carefully, began to produce analyses of Little Bighorn that told a different story.

The renaming of the national monument in 1991 reflected this shift at the political level.