Answer:
Two bodies of water acted as barriers to interconnectivity between the eastern and western hemispheres before the age of exploration:
The Atlantic Ocean: The vast expanse of the Atlantic Ocean separated Europe, Africa, and Asia from the Americas, making travel and trade between the two hemispheres difficult and dangerous.
The Pacific Ocean: The Pacific Ocean also served as a barrier to interconnectivity, separating Asia from the Americas and the Pacific islands. While some trade and exchange did occur across the Pacific, it was much less frequent and extensive than trade across the Atlantic.
Step-by-step explanation: