What powerful emotional appeal does Paine make at the end of his essay?

At the end of his essay "The Crisis," Paine appeals to the reader's sense of patriotism and duty by stating, "These are the times that try men's souls." He calls on Americans to have courage and perseverance in the face of adversity, urging them to fight for their independence and freedom. This emotional appeal plays on the reader's sense of pride and commitment to the cause of the American Revolution.