In this process, industrial production went from less than 2,000 million dollars per year to more than 13,000, in the same way the number of employees in industry, mining, construction and services went from less than 4 million people up to 18 million. The factors that determined industrialization were the abundance of natural resources, the growth of the population, the accumulation of capital and foreign investment, immigration also provided a broad and cheap labor force. During this period the consolidation of companies in large-scale units called corporations was revealed. This consolidation was based largely on the birth of the trust that were agreements of the shareholders of different companies of a certain economic sector to unify the direction and management of the same and reducing competition.
