3. What distinction does the author draw between migrant farm workers who come from foreign countries and those who come from within the United States? A. While foreign migrant workers are discouraged from working in the United States, those who come from within the United States are welcomed. B. While foreign migrant workers come to the United States with few resources, migrant workers from within the United States are forced to find new work because their previous livelihood was lost. C. While foreign migrant workers are forced to leave the United States after a period of time, migrant workers from within the United States are able to stay and work indefinitely. D. While foreign migrant workers are forced to come to the United States because of poor crops abroad, migrant workers from within the United States choose to move from harvest to harvest.