Final answer:
The message of Thomas Paine's pamphlet 'The Crisis' was that soldiers shouldn't quit just because of hard times. He encouraged them to persevere and continue fighting for their country. Option D is the correct answer.
Step-by-step explanation:
The message of Thomas Paine's pamphlet The Crisis was that soldiers shouldn't quit just because of hard times. Paine wrote this pamphlet during the American Revolution to encourage the soldiers to persevere and continue fighting for their country, even in the face of difficult circumstances. He emphasized the importance of standing strong and not backing down, stating that those who remained committed to the cause would be deserving of gratitude and admiration.