Amazon built unparalleled warehousing, distribution and customer management economies of scale that still exert, by some estimates, a 19% price advantage over Walmart.

FORBES: Groupon Hysteria

In addition to its traditional services of letter and parcel delivery, the Post Office now provides services such as e-commerce fulfilment, billing and customer management, logistics and warehousing.

BBC: UK Post Office name change

Sanctions would disrupt a major portion of the U.S.-Chinese shipping market controlled by Cosco, whose business lines include port terminals and warehousing, insurance, real estate and hotel management.

CENTERFORSECURITYPOLICY: Center For Security Policy