There were various aspects of Sun Tzu's approach that appealed to Ho Chi Minh: a) to learn to understand both the enemy and yourself, to seek out his weaknesses and your own strengths, and act accordingly, b) to make ample use of subterfuge and stratagem in order to defeat or disarm your adversary, and c) to use outright violence only when absolutely necessary in the belief that political struggle was more effective than military struggle.