Lesson 13-Soldier's Heart I. Oral work Topics for Debating: Related sayings 1. A world with nation as its unit cannot achieve permanent peace. 2. A nation who does not acknowledge its historical war mistake is very dangerous to world peace. 3. Cross-cultural understanding should be encouraged in preventing wars W BTL ELesson 13—Soldier’s Heart W B T L E I. Oral Work Topics for Debating: 1. A world with nation as its unit cannot achieve permanent peace. 2. A nation who does not acknowledge its historical war mistake is very dangerous to world peace. 3. Cross-cultural understanding should be encouraged in preventing wars. Related sayings