Final answer:
The amendments to the fairness doctrine in 1959 left the doctrine itself intact, which required broadcasters to cover controversial issues in a balanced manner and provide information about all perspectives on any controversial issue.
Step-by-step explanation:
The amendments to the fairness doctrine in 1959 left the doctrine itself intact. The fairness doctrine was a policy by the Federal Communications Commission (FCC) that required broadcasters to cover controversial issues in a balanced manner and provide listeners with information about all perspectives on any controversial issue. The doctrine required that if one side was given an opportunity to reach the viewers or listeners, the other side should be given a chance to present its side as well.