Dockworkers strike in front an entrance to a container terminal near Boston Harbor, Tuesday, Oct. 1, 2024, in Boston. (AP Photo/Steven Senne)

Hundreds of longshoremen strike together outside of the Virginia International Gateway in Portsmouth, Va., Tuesday, Oct. 1, 2024. (Billy Schuerman/The Virginian-Pilot via AP)

FILE - Shipping containers are stacked in the Port of New York and New Jersey in Elizabeth, N.J., May 20, 2021. (AP Photo/Seth Wenig, File)

Philadelphia longshoremen assembled outside the Packer Avenue Marine Terminal Port begin to strike as their contract runs out at midnight, Tuesday, Oct. 1, 2024. (AP Photo/Ryan Collerd)

Workers take part in a port strike at Port Newark, Tuesday, Oct. 1, 2024, in Bayonne, N.J. (AP Photo/Eduardo Munoz Alvarez)

Boise Butler, president of Local 1291, chants along with his fellow longshoremen outside the Packer Avenue Marine Terminal Port in Philadelphia, Tuesday, Oct. 1, 2024. (AP Photo/Ryan Collerd)

Striking Philadelphia longshoremen picket outside the Packer Avenue Marine Terminal Port, Tuesday, Oct. 1, 2024. (AP Photo/Ryan Collerd)

Philadelphia longshoremen assembled outside the Packer Avenue Marine Terminal Port begin to strike as their contract runs out at midnight, Tuesday, Oct. 1, 2024. (AP Photo/Ryan Collerd)

Striking Philadelphia longshoreman picket outside the Packer Avenue Marine Terminal Port, Tuesday, Oct. 01, 2024.(AP Photo/Ryan Collerd)

Longshoremen strike at midnight at Bayport Terminal on Tuesday, Oct. 1, 2024, in Houston. (AP Photo/Annie Mulligan)

Cranes and shipping containers are seen at Port Jersey during a port strike, Tuesday, Oct. 1, 2024, in Bayonne. (AP Photo/Eduardo Munoz Alvarez)

Longshoremen strike at midnight at Bayport Terminal on Tuesday, Oct. 1, 2024, in Houston. (AP Photo/Annie Mulligan)

Longshoremen pose for a photo while picketing at Bayport Terminal on Tuesday, Oct. 1, 2024, in Houston. (AP Photo/Annie Mulligan)

Dockworkers strike in front of an entrance to a container terminal near Boston Harbor, Tuesday, Oct. 1, 2024, in Boston. (AP Photo/Steven Senne)

Boise Butler, president of ILA Local 1291, speaks to the press outside the Packer Avenue Marine Terminal Port in Philadelphia, Tuesday, Oct. 1, 2024. (AP Photo/Ryan Collerd)

Cranes and shipping containers are seen at Port Newark during a port strike, Tuesday, Oct. 1, 2024, in Bayonne. (AP Photo/Eduardo Munoz Alvarez)

Longshoremen strike at midnight at Bayport Terminal on Tuesday, Oct. 1, 2024, in Houston. (AP Photo/Annie Mulligan)

Longshoremen strike at midnight at Bayport Terminal on Tuesday, Oct. 1, 2024, in Houston. (AP Photo/Annie Mulligan)

Hundreds of longshoremen strike together outside of the Virginia International Gateway in Portsmouth, Va., Tuesday, Oct. 1, 2024. (Billy Schuerman/The Virginian-Pilot via AP)

Boise Butler, president of Local 1291, with an American flag on his wheelchair, pickets with his fellow longshoremen outside the Packer Avenue Marine Terminal Port in Philadelphia, Tuesday, Oct. 1, 2024. (AP Photo/Ryan Collerd)

Striking Philadelphia longshoreman picket outside the Packer Avenue Marine Terminal Port, Tuesday, Oct. 1, 2024.(AP Photo/Ryan Collerd)

FILE - Containers are moved at the Port of New York and New Jersey in Elizabeth, N.J., on June 30, 2021. (AP Photo/Seth Wenig, File)

Hundreds of longshoremen strike together outside of the Virginia International Gateway in Portsmouth, Va., Tuesday, Oct. 1, 2024. (Billy Schuerman/The Virginian-Pilot via AP)

The International Longshoremen’s Association flag and an American flag fly together outside the Packer Avenue Marine Terminal Port as workers prepare to strike as their contract runs out at midnight, Monday, Sept. 30, 2024. (AP Photo/Ryan Collerd)

Dockworker Meikysha Wright and others strike outside the Virginia International Gateway in Portsmouth, Va., Tuesday, Oct. 1, 2024. (Billy Schuerman/The Virginian-Pilot via AP)