The union representing 45,000 dockworkers from Texas to Maine could go on strike on Tuesday, which could cease operations at the Port of Philadelphia.

The coming work stoppage threatens to significantly snarl the nation's supply chain, potentially leading to higher prices and delays for households and businesses if it drags on for weeks.

A group of dockworkers are likely to strike this week in ports from Maine to Texas. Here’s what we know about ports on the Mississippi Coast.