During World War II had very good business relations with the United States. They provided a lot of raw materials, which were necessary to support American military needs. In that time the U.S. had an agreement with specifying that the country would export its resources only to the Allies. After WW II restricted imports in an attempt to promote domestic growth, while resisting foreign domination. In 1948 the government striving to reverse the unfavorable balance of trade, devalued the peso. Imports not essential for industrial development w ....