Which of these quotations from "Thanksgiving: A Native American View" shows logic in argument?

Nearly 70 percent of all crops grown today were originally cultivated by Native American peoples.
By 1623, Mather the elder, a Pilgrim leader, was giving thanks to his God for destroying the heathen savages. . . .
In stories told by the Dakota people, an evil person always keeps his or her heart in a secret place separate from the body.
I see, in the "First Thanksgiving" story, a hidden Pilgrim heart.