In 1989,the Supreme Court Overturned a Statute That Made Burning

In 1989,the Supreme Court overturned a statute that made burning the United States flag illegal because the Court

A) found it to be a "speech act" protected by the First Amendment.
B) felt that it was what the American public wanted them to do.
C) was persuaded by the Berkeley Free Speech movement.
D) was not able to get enough support in the legislature to uphold the statute.