First, the productive forces have been greatly improved and the dominant position of the bourgeoisie has been consolidated; It promoted the revolution and reform of the United States, Russia, Germany and Italy, and initially formed the capitalist world system; In industrial society, it is increasingly divided into two opposing classes-the industrial bourgeoisie and the industrial proletariat. 19 in the thirties and forties, the workers' movement rose. Began the process of urbanization; Advanced production methods and technologies spread to various places, impacting old systems and old concepts; The East is subordinate to the West, and the colonial aggression led to the upsurge of the national liberation movement. Disadvantages: during the first industrial revolution, many technological inventions came from the practical experience of craftsmen, and science and technology were not really combined; Important new machines and new modes of production were mainly invented in Britain, while the industrial revolution in other countries developed relatively slowly.