President Biden’s historic apology on Friday to tribal nations for the U.S. government’s Native American boarding school policy has sparked celebration through the communities, along with some trepidation as advocates push for actions to follow the words.

All told, hundreds and hundreds of Federal Indian Boarding Schools across the country. Tens of thousands of Native children entered the system. Nearly 1,000 documented Native child deaths, though the real number is likely to be much, much higher; lost generations, culture, and language; lost trust.