Port workers all along the East and Gulf coasts are walking out Tuesday morning after a contract was not agreed upon.

The contract between the ports and about 45,000 members of the International Longshoremen’s Association expired at midnight, and even though progress

Dockworkers at ports from Maine to Texas began walking picket lines early Tuesday 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.