The affiliation agreement charters a new local, known as Amazon Labor Union No. 1, International Brotherhood of Teamsters (ALU-IBT Local 1), for the five boroughs of New York City.

Workers at seven Amazon facilities went on strike Thursday, an effort by the Teamsters union to pressure the e-commerce company for a labor agreement during a key shopping period.

WASHINGTON — Workers at seven Amazon facilities went on strike Thursday, an effort by the Teamsters union to pressure the e-commerce company for a labor agreement during a key shopping period ...

The Teamsters say the workers, who authorized strikes in the past few days, are joining the picket line after Amazon ignored a Dec. 15 deadline the union set for contract negotiations.