What to know, potential impact NECN [Video]

U.S. ports from Maine to Texas shut down this week when the union representing about 45,000 dockworkers went on strike for the first time since 1977.

Workers began walking picket lines early Tuesday near ports all along the East and Gulf coasts.

A shutdown that lasts more than a few weeks has the potential to raise prices and create shortages of goods throughout the country as the holiday shopping season — along with a tight presidential election — approaches.

There have been some signs of movement in the talks, with the U.S. Maritime Alliance, which represents ports and shipping companies, saying that both sides have moved from their initial wage offers. But on Wednesday, the alliance called on the International Longshoremen’s Union to come to the bargaining table. “We cannot agree to preconditions to return to bargaining, but we remain committed to bargaining in good faith,” the group said in a statement.

Late Wednesday night, the ILA said that Harold …