Respuesta :
Answer: The one-drop rule is a social and legal principle of racial classification that was historically prominent in the United States in the 20th century. It asserted that any person with even one ancestor of sub-Saharan African ancestry ("one drop" of black blood) is considered black (Negro or colored in historical terms).
Explanation:
Basically it means all it takes is one drop of blood to be considered nonwhite, as in any slight amount of ancestry makes you nonwhite.
