Biden says improving infrastructure promotes U.S. manufacturing.
"They're only going to come back if they're able to have the best infrastructure in the world because when you have the best infrastructure in the world, you allow them to be competitive," says Biden.
He says it will also promote job growth.
"Hust this expansion, is expected to lead to an additional 5,700 new jobs," he says.
Biden calls the Port of Baltimore historic and vital to the city.
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