What are characteristics of graphic novels?

Does any one read this story "when mr. came to dine". in 9th grade. plz i need with one question about this story?

What response does lincoln hope to elicit from his listeners with these words from his gettysburg address "we gave to come dedicate a portion of that field, as a final resting place for those who here gave their lives, that that nation might live. it is altogether fitting and proper that we should do this

Why are danforth, hathorne, and the other authorities so resistant to believing the claim that abigail and the other girls are lying?