I think: The two Opium Wars from 65438 to 0840, and various treaties signed later (treaty of nanking, Humen Article, treaty of shimonoseki, and the Treaty of Mourning Ugliness) were undoubtedly great disasters and humiliations for China at that time, but they were beneficial from the perspective of historical development. It was China who began to understand the world and reflect on his destiny in the world. (For example, Lin Zexu's ". Yan Fu's Theory of Evolution and the spread and development of various modern academic thoughts in China), and made continuous efforts (from the early Westernization Movement to the later revolutionary movement), all of which started from the foreign invasion in 1840, which accelerated the time for China to go to the world. Although the bitterness of the nation and individuals left painful memories and lessons, it also sounded the alarm for China people to join the WTO.