solved I’m working on a history discussion question and need an

I’m working on a history discussion question and need an explanation to help me learn.

According to the reading what is the importance of the First Amendment? Explain the preferred position doctrine. Explain the major issues in the Barnette case and the reasoning behind the ruling of the Supreme Court. Do you think that the compulsory flag-salute for public schoolchildren violated the First Amendment? Provide at least one academic reference to support your answer.