and Mexican officials. Every day, thousands of people on foot and in vehicles go back and forth across the border here, and millions of dollars worth of products cross the line in trucks and railroad cars.
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The implication is that the last phase of the campaign may be like trench warfare, with small amounts of ground shifting back and forth between the two candidates, day by day.
Manufacturers in Michigan, Indiana, Ohio, Illinois and throughout America depend on integrated U.S.-Mexico supply chains to bring components, supplies and finished goods back and forth across the border every day, sustaining millions of jobs in factories around the country.