Regarding the Changes in Prejudice Over the Last Fifty Years

Regarding the changes in prejudice over the last fifty years, which of the following is NOT a true statement?

A) Prejudice seen fifty years ago would not have predicted that America would have had a Black president.
B) Prejudice seen fifty years ago would not have predicted the number of women we have who are lawyers, doctors, Supreme Court justices and so on.
C) Prejudice seen fifty years ago would not have predicted the current stance on same-sex marriages.
D) Prejudice seen fifty years ago would not have predicted the dramatic drop in hate groups currently being experienced.