I am sure other places outside USA will offer homeports to different cruise lines.
The Cruise lines like ROYAL-CARNIVAL-NORWEGIAN, make about 40% of their revenue from cruises originating from American ports.
But they are all billions in debt now, and must have an income stream.
Our CDC only toys with them as the Lines are forced to borrow more money to stay afloat, as the delays continue.-Tom
Carnival was going out of Barbados before the virus...