Which lines in this excerpt from sir Walter Scott's Ivanhoe indicate that the novel is a work of historical fiction

The correct answer for the question that is being presented above is this one: " It was a matter of public knowledge, they said, that after the conquest of King William, his Norman followers, elated by so great a victory, acknowledged no law but their own wicked pleasure, and not only despoiled the conquered Saxons of their lands and their goods, but invaded the honour of their wives and of their daughters with the most unbridled license."