The national security of a coury is the bedrock of the life of its people and the fundameal ierests of the nation. It is esseial for teenagers, the future and hope of a coury, to learn more about national security as they will be able to shoulder the mission of China’s rejuvenation when armed with an awareness of national security, the rule of law, and love for the motherland. This textbook serves as a teenager-orieed iroduction to national security and the legal system for Hong Kong to safeguard national security, suitable for primary and middle school studes to read and learn.
