Modern concepts of race evolved a: after the fall of rome b: during the 19th century c: in ancient greece d: during world war 2

The best answer would be (B.) During the 19th century.

One example of evolving race concepts in the 19th century is the passing of the Emancipation Proclamation.

Hope this helps!

The answer should be b

United states v.  nixon, 418  u.s.  683 (1974),  was  a landmark  united states supreme court case  that resulted in a unanimous  decision  against president richard  nixon, ordering him to deliver tape recordings  and  other subpoenaed materials to a  federal  district  court.