sentences:  It is one of the poorest regions of the country, with the federal government categorizing it as a “critical region” in terms of combating poverty.The most pressing economic and political problems are in the Veracruz section with high socioeconomic marginalization due to isolation, disputes over land and political repression.Since the mid 20th century, there has been seasonal and permanent migration out of the area and into other areas of Mexico and to the United States to work.