Mulatto, a Racial Slur

Mulatto, a racial slur:

A) referred to Afro-Germans, believed fathered by French Army personnel of African descent who were stationed in the Rhineland after World War I.
B) referred to ethnic groups that trace their descent to Native Americans and European settlers.
C) referred to numerous tri-racial isolate groups of the Southeastern United States.
D) referred to someone with black and white ancestors.
E) All the above