Union workers and other supporters march Friday, June 19, 2020, near the Port of Seattle as part of a coordinated eight-hour work stoppage at more than two dozen West Coast Ports that was organized by the International Longshore and Warehouse Union. Workers took part in rallies honoring Juneteenth and to protest against police violence and racism. (AP Photo/Ted S. Warren)

Union workers and other supporters march Friday, June 19, 2020, near the Port of Seattle as part of a coordinated eight-hour work stoppage at more than two dozen West Coast Ports that was organized by the International Longshore and Warehouse Union. Workers took part in rallies honoring Juneteenth and to protest against police violence and racism. (AP Photo/Ted S. Warren)

A woman wearing a shirt honoring Juneteenth and other milestones of history raises her first with union workers and other supporters at the start of a march Friday, June 19, 2020, near the Port of Seattle as part of a coordinated eight-hour work stoppage at more than two dozen West Coast Ports that was organized by the International Longshore and Warehouse Union. Workers took part in rallies honoring Juneteenth and to protest against police violence and racism. (AP Photo/Ted S. Warren)

Union workers and other supporters march Friday, June 19, 2020, near the Port of Seattle as part of a coordinated eight-hour work stoppage at more than two dozen West Coast Ports that was organized by the International Longshore and Warehouse Union. Workers took part in rallies honoring Juneteenth to protest against police violence and racism. (AP Photo/Ted S. Warren)

A person marching with union workers and other supporters displays a sign that reads "Respect my existence, or expect resistance," Friday, June 19, 2020, near the Port of Seattle as part of a coordinated eight-hour work stoppage at more than two dozen West Coast Ports that was organized by the International Longshore and Warehouse Union. Workers took part in rallies honoring Juneteenth to protest against police violence and racism. (AP Photo/Ted S. Warren)

Union workers and other supporters rally Friday, June 19, 2020, near the Port of Seattle as part of a coordinated eight-hour work stoppage at more than two dozen West Coast Ports that was organized by the International Longshore and Warehouse Union. Workers took part in rallies honoring Juneteenth and to protest against police violence and racism. (AP Photo/Ted S. Warren)

Union workers and other supporters march Friday, June 19, 2020, near the Port of Seattle as part of a coordinated eight-hour work stoppage at more than two dozen West Coast Ports that was organized by the International Longshore and Warehouse Union. Workers took part in rallies honoring Juneteenth and to protest against police violence and racism. (AP Photo/Ted S. Warren)

Union workers and other supporters march Friday, June 19, 2020, near the Port of Seattle as part of a coordinated eight-hour work stoppage at more than two dozen West Coast Ports that was organized by the International Longshore and Warehouse Union. Workers took part in rallies honoring Juneteenth and to protest against police violence and racism. (AP Photo/Ted S. Warren)

Union workers and other supporters march Friday, June 19, 2020, near the Port of Seattle as part of a coordinated eight-hour work stoppage at more than two dozen West Coast Ports that was organized by the International Longshore and Warehouse Union. Workers took part in rallies honoring Juneteenth and to protest against police violence and racism. (AP Photo/Ted S. Warren)