Through trade, primarily.
Trade
An economy primarily based on trade with countries via the sea. Islands are primarily maritime economies.
That particular trade route was primarily for silk.
Comparitive advantage.
Primarily humans.
By forming trade blocs
The Islamic slave trade was not based primarily on race.
Slavery and a slave trade DID NOT begin in the 1500s it was the norm since prehistory.
promoting trade and communication with the Old Northwest
Type your answer here... pottery
Yes. The Pennsylvania Colony primarily traded with England.