How did the Ku Klux Klan define Americanism? AND Who is left out of the Klan’s definition of Americanism?

When reading “The Klan’s Fight for Americanism” by Hiram W. Evans I get the thought or impression that they believe Americanism is a life style and everyone needs to live that way because in their minds its the only way. During the time this was written and the life style of the Klan they did not like African Americans in fact they showed the most hate to them.