ap photo A banner encouraging workers to vote in labor balloting is shown at an Amazon warehouse in Bessemer, Ala., on Tuesday.

What happens inside a warehouse in Bessemer, Alabama, could have major implications not just for the country’s second-largest employer but the labor movement at large.

Organizers are pushing for some 6,000 Amazon workers there to join the Retail, Wholesale and Department Store Union on the promise it will lead to better working conditions, better pay and more respect. Amazon is pushing back, arguing that it already offers more than twice the minimum wage in Alabama and workers get such benefits as health care, vision and dental insurance without paying union dues.

The two sides are fully aware that it’s not just the Bessemer warehouse on the line. Organizers hope what happens there will inspire thousands of workers nationwide — and not just at Amazon — to consider unionizing and revive a labor movement that has been waning for decades.

“This is lighting a fuse, which I believe is going to spark an explosion of union organizing across the country, regardless of the results,” says RWDSU president Stuart Appelbaum.

The union push could spread to other parts of Amazon and threaten the company’s profits, which soared 84% last year to $21 billion. At a time when many companies were cutting jobs, Amazon was one of the few still hiring, bringing on board 500,000 people last year alone to keep up with a surge of online orders.

Bessemer workers finished casting their votes on Monday. The counting begins on Tuesday, which could take days or longer depending on how many votes are received and how much time it takes for each side to review. The process is being overseen by the National Labor Relations Board and a majority of the votes will decide the final outcome.

What that outcome will be is anyone’s guess. Appelbaum thinks workers who voted early likely rejected the union because Amazon’s messaging got to them first. He says momentum changed in March as organizers talked to more workers and heard from basketball players and high-profile elected officials, including President Joe Biden.

For Amazon, which employs more than 950,000 full- and part-time workers in the U.S. and nearly 1.3 million worldwide, a union could lead to higher wages that would eat into its profits. Higher wages would also mean higher costs to get packages to shoppers’ doorsteps.