What was the impact of the Supreme Court's decision in the case of Gideon v Wainwright (1963)?

A. southern states could no longer have racially segregated public schools.

B. suspects had to be told of their right to have attorney present and to remain during police interrogations.

C. states could no longer have racial quotes as part of their affirmative action programs.

D. poor defendents accused of serious crimes had to be provided with a state sponsored public defender.​