expedition = "a journey or voyage undertaken by a group of people with a particular purpose, especially that of exploration, scientific research, or war" - Google
This definition applies to the context in which "expedition" is used in the sentence.
expedition = b.) journey
The answer to this would be C-implicate
The relative pronoun is ''Which'' because relative pronouns connect to a clause or phrase to a noun or pronoun.
Explanation:
There's not enough information here for me to answer this.
So the old buccaneer could be independent