Tens of thousands of dockworkers from ports spanning Maine to Texas walked off the job early Tuesday as they went on strike, demanding better wages and protections against automation. The strike comes as the contract between the International Longshoremen's Association union and U.

Dockworkers at dozens of U.S. ports are digging in for a massive pay increase, seeking to flex their power in a strike that aims to strangle the flow of trade across much of the country.“This is going down in history what we’re doing here,

The strike is impacting shipments of things like fresh food, cars and machinery. Our weekly “Econ Extra Credit” newsletter is an unexpected way to learn about the economy, one film at a time. Sign up to watch,