When combining two independent clauses, a comma must be placed between the two independent clauses in place of the conjunction. <span />
Answer:
Explanation:
Cornelius Vanderbilt was one of the richest Americans in history. The famous businessman fortune was made in railroads and shipping
A metaphor for courage might be describing someone as having "the heart of a lion". He does not actually have the heart of a lion, it's a metaphor to show that he is courageous.
The correct answer to this question is the second one “to state the writers opinion”