The correct statement that evaluates the cause of increased migration to the U.S. based on the population distribution shown in the table is:
There was overseas migration from Europe and Asia to U.S. port towns.
This statement reflects the historical context during the time periods indicated in the table, as many immigrants were drawn to the U.S. for job opportunities in growing urban areas, particularly during the Industrial Revolution. The other options do not accurately capture the trends indicated by the urbanization data.