How does the author use allusion in the novel, When Two Feathers Fell From the Sky?

Noel Cemetery symbolizes past atrocities. When Two first learns about the cemetery and its history, she is overcome by shock and grief. She cannot believe that the whites would dig up, desecrate, and rob the ancient native burial ground. Allusions to the cemetery and its dark story recur throughout the novel, adding to the subtextual narrative tension, and further the author's subtextual explorations regarding history and the past.