Amazon is laying off almost 700 corporate workers based in New York City as part of the company's wider restructuring.
Unions across Australia have joined forces a nationwide strike against Amazon, picketing outside fulfilment centres.
Progressive groups are urging shoppers to vote with their wallets this holiday season and stop shopping at Amazon, Target and Home Depot.
The new drive to unionize Triangle warehouse workers begins eight months after labor advocates lost an election near Raleigh.