After the Xi'an incident, the situation became even more tense. Tung, having an international perspective from his days as a newspaperman, recommended that the government use alternate forms of warfare--including international propaganda--to complement conventional arms. It is said Chiang was very impressed with this idea.
西安事件爆發後，情勢更為緊張，蔣估計日本可能隨時發動戰爭，董顯光憑著一個老記者的國際觀和判斷力，提出了化學戰、情報組織戰和國際宣傳戰，三個輔助傳統軍事作戰的策略，據說蔣十分賞識，而董顯光便成為第三項國際宣傳戰的負責人。