(2) Promoting the development of European medicine; Change the daily habits of westerners; Tea trade made the European bourgeoisie gain huge profits; Become an important financial income of some colonial countries; It also caused a large amount of European silver to flow into China; The conflict of tea trade became the fuse of the colonial revolution in North America.
(3) Trend: 65438+From 1930s to 1980s, tea production and foreign sales increased rapidly. After 1990s, the output and export of tea decreased rapidly. Reasons for growth: The Opium War brought China into the capitalist world market, the self-sufficient economy disintegrated, and the commercialization of agricultural products accelerated; The opening of ports and the reduction of tariffs have promoted the surge of Chinese and foreign trade. Reasons for the decline: the competition of Indian tea in the international market; China's tea production technology and management mode are backward, with heavy taxes and fees and high costs; There is a phenomenon of counterfeiting.