Singapore controls the east shipping route. There is a very narrow route there, easily controllable by military, if necessary. Iceland not all. You can easily

Singapore controls the east shipping route. There is a very narrow route there, easily controllable by military, if necessary. Iceland not all. You can easily get around them. The Azores were the trading and fruit manifactoring hub there instead. They could deliver all the fruits for all of Europe. What can Iceland deliver to Europe? They are also in the center, not the north route.