What made it possible to strengthen the economic position of France during the years of the second empire?

During the years of the Second Empire, the economic situation in France changed due to a change of government. The policy of Napoleon III differed sharply from the policy of his predecessors. He encouraged the construction of enterprises, a railway, and lowered customs rates for coal, iron, wool, and agricultural products. All this led to the growth of industry, production, and foreign trade. The size of the working class also grew due to the development of industry.