It is likely C because the water allowed for easy travel and trading!
:D
There is the Gulf of Alaska, the Bering Sea, Chukchi Sea, and Beaufort Sea.
Delegate is the term used for assigning the responsibility of completing a task to another person.
If you delegate a task to someone, you are entrusting that task to another person. Usually the person that delegates a task has seniority over the other person. There are many synonyms for delegate that would also be appropriate to use in the blank, like transfer or assign.