Amazon to face U.S. union push in year ahead

FILE PHOTO: An Amazon logo is pictured at a logistics centre in Mannheim, Germany, September 17, 2019. REUTERS/Ralph Orlowski/File Photo

(Reuters) - In 2021, Amazon.com Inc is poised to face a renewed challenge from groups it has long countered: unions.

Energized by protests at Amazon's U.S. warehouses and a more labor-friendly administration assuming office, unions are campaigning at the world's largest online retailer to see if its warehouse or grocery workers would like to join their ranks.