The answer is D
Hope this helps :D
Answer:
Both are very important for trade.
Explanation:
Seas and oceans are very important for maritime trade because trading through seas and oceans are less costly for the countries. There are big ships which can be used for trade purpose between different countries. For trading by sea and ocean, countries built sea ports. The sea and ocean is fragile means easily be damaged. There is a great damage occur to the sea and ocean due to climate change and global warming that disturb the ecosystem and trading routes.
what do you mean?? I dont get it?
Otto von Bismarck was the most responsible person for bringing unification
