From Maine to Texas, dockworkers at 36 ports across the eastern U.S. are now on strike for the first time in decades. And the work stoppage could snarl supply chains — leading to shortages and higher prices if it stretches on for more than a few weeks.

East and Gulf coast port workers walked off the job at midnight after failing to agree to a new contract with the United States Maritime Alliance.

From Maine to Texas, dockworkers at 36 ports across the eastern U.S. are now on strike for the first time in decades. And the work stoppage could snarl supply chains — leading to shortages and higher prices if it stretches

Dockworkers at ports from Maine to Texas have started walking picket lines in a strike over wages and automation that could reignite inflation and cause shortages of goods if it goes on more than a few weeks.

The contract between the ports and about 45,000 members of the International Longshoremen's Association expired at midnight.