Taiwan is a keystone for China to cross the Pacific and go out to the world. It is an important strategic space that affects national security and national rejuvenation and affects China’s external transformational links, trade links and energy transportation links. Taiwan is the frontline for China to contest with international anti-Chinese forces, separatist forces and terrorist forces. If Taiwan independence is allowed, there will be a domino effect, which will give excuses to other separatist forces. The consequence would be unimaginable. So China must never retreat. Opposing Taiwan independence and safeguarding unification also affects China’s international dignity, image, influence…