"The establishment of racial boundaries often involves the subjugation of groups defined as racially inferior, as in the one-drop rule used in the 19th-century United States to exclude those with any amount of African ancestry from the dominant racial grouping, defined as ""white""."
“ Asimal n alxadudan win tawset ehe alwaq iyyan achinich ijjanat taqqimen amos nen tawseten madroynen fal as daɣ achareɣa wan tatbaqet iiyyat n achni wan Amerik daɣ awatay wan 1900 i askut n addinat fuk wi ilanen iwicharan id ifal nen Afrikiya daɣ taqqimt n taset tan “”ikufar””