The State of Native America edited by M. Annette Jaimes pg.123-124

"Contrary to virtually universal practice, the United States has opted to preempt unilaterally the rights of many North American indigenous nations to engage in this most fundamental level of internal decision making. Instead, in pursuit of the interests of their own state rather than those of the nations that are thereby affected, federal policy makers have increasingly imposed "Indian identification standards" of their own design. Typically centering upon a notion of "blood quantum"-not especially different in its conception from the eugenics code once adopted by nazi Germany in its effort to achieve "racial purity," or currently utilized by South Africa to segregate Blacks and "coloreds" this aspect of U.S. policy has increasingly wrought havoc with the American Indian sense of nationhood (and often the individual sense of self) over the past century.
-The State of Native America edited by M. Annette Jaimes
Chapter IV Federal Indian Identification Policy A Usurpation of Indigenous Sovereignty in North America by M. Annette Jaimes
pg.123-124