Which sentence in this excerpt from thomas paine's "the crisis, no. 1" best summarizes thomas paine's method of persuasion?

a) he provides empirical evidence to show that perseverance will lead to success in a prolonged war.
b) he provides empirical evidence to show that the future will be bleak if the people do not act as he suggests.
c) he appeals to his readers' emotions by imagining the consequences of not acting as he suggests.
d) he appeals to his readers' emotions by portraying the benefits of engaging in a prolonged war.