I apply in mexico since colonial times to 1940. Is characterized because the economy is based on Agriculture and the extraction of natural resources ( metals and oil ) that it is sold abroad, while the machinery, industrial products and technology are purchased abroad. Let us not forget that for many years, the agriculture and the livestock were the activities most important; on the other hand, the industry, which was mainly textile was far behind, up to Manuel Avila Camacho, on your assumption of the Presidency of the Republic in December 1940, refocused the politica economica encouraging its development.