Necessary conditions: Britain has huge overseas colonies, which expands market demand
The most important technology: Watt's improved steam engine
Influence: Britain becomes the world market center and world factory, in order to dump goods and actively engage in foreign colonial expansion, it launched two Opium Wars against China, thus opening up China's borders and China began to degenerate into a semi-colonial and semi-feudal society. Objectively, it spread advanced production methods and stimulated the emergence of China's modern industry