These usually result from wind and can travel hundreds of miles before they reach the shore.
Tides
This is a continuous directed movement of ocean water
Ocean Wave
Answer:
it was both good and bad for them. it was bad because they were limited to national imports and exports only. they had to rely on the little resources they had on their islands alone to survive. When they were finally ready to become unisolated and join the rest of the world, they were really far behind on their industrial era. it was good for them because it meant very little conflict with other nations.
hope this helps