Very long story short, farming and sugar, as well as a port to china, east india and asia. and the islands were a prime place for a navel base.
Some of the newly industrialized countries are Hong Kong (China), South Korea, Taiwan, Brazil, Mexico, South Africa and Singapore!
I think Rome to Athens is incorrect. According to my research, Massilia to Carthage is the route that involves trade outside of the Byzantine Empire.The Byzantine Empire was also known as the Eastern Roman Empire. Its capital city was Constantinople. The routes Rome to Athens, Alexandra to Ravenna and Antioch to Ephesus all fall within the Byzantine Empire. The Byzantine Empire was the most powerful empire during its existence and survive the breaking up and fall of the Western Roman Empire.
The Dust Bowl, also known as the Dirty Thirties, was a period of severe dust storms that greatly damaged the ecology and agriculture of the US and Canadian prairies during the 1930s; severe drought and a failure to apply dryland farming methods to prevent wind erosion (the Aeolian processes) caused the phenomenon.
Between 1775 and 1787, the Western territories faced several challenges, including a lack of roads and competition with Native Americans for land and hunting grounds.