During the enlightenment we began to question many things. The answer for your question is B.
1. A native or naturalized person who owes allegiance to a government and is entitled to protection from it
2. citizenship, relationship between an individual and a state to which the individual owes allegiance and in turn is entitled to its protection.
Citizenship implies the status of freedom with accompanying responsibilities
while a Citizen is a person
the answer is C they were looking for a safer route to East Asia through the Americas