Which type of website most likely provides the most objective information about Abraham Lincoln?
a. the home page of a history professor who wrote a book on Lincoln'* presidency
b. a Confederate group'* site on famous assassinations, with the most pages devoted to Lincoln
c. the site of a historical preservation group that archives Lincoln'* correspondence
d. the official site of the presidential library in Springfield, Illinois, devoted to telling the life story of the 16th president
