What are the reasons some people feel certain books should be banned?

Racial Issues: 

Encouragement of "Damaging" Lifestyles:

Blasphemous Dialog: 

Sexual Situations or Dialog: .

Violence or Negativity: 

Presence of Witchcraft: 

Religious Affiliations (unpopular religions): 

hope this helps :)

answer; /// the correct answer to the above statement is (a) because of the decline on native american labor forces;