Which of the following is an opinion based on the gettysburg address? a. abraham lincoln was not invited to participate in the ceremony at gettysburg until november 2. b. edward everett was the keynote speaker at the ceremony. c. it was fitting that the people had come together to dedicate the field to the brave men who died in support of the union. d. the townspeople had originally intended to ask the families of the dead to cover the costs of burying the soldiers