Answer:
In the past it was so people can talk against the US if they don't like it and not be charged or punished. In today's world it is mostly the same but it is more used for the freedom of pres so the news can say what ever they want
The term "Red Summer" was coined by civil rights activist and author James Weldon Johnson, who had been employed as a field secretary by the National Association for the Advancement of Colored People (NAACP) since 1916.
Under the articles of confederation each state only had One vote