Judging by this map, which geographic characteristic the civilizations of early greece to become successful in the trade industry? greece contains many islands. greece is close to rome. greece is bordered by the mediterranean sea. greece contains many valuable minerals

Greece was bordered by the Mediterranean allowing for merchant ships to travel easily.
The Roman's had invaded which eliminated that option.
The multitude of greek islands allowed for more land and ports but was not the biggest contributor to its trade industry.
Greece contained valuable materials, but the access to the Mediterranean was more vital for trade.