The focus of the Renaissance at the time was on the works of
the Greeks and Romans. Emphasis was more
human activities like science, literature and the arts. This was called
Humanism where the focus of learning was on culture. Knowledge and ideas once lost was revived and
was now growing in Europe and this helped in cultural and intellectual
development.
Nationalism is an idea and movement that holds that the nation should be congruent with the state. As a movement, nationalism tends to promote the interests of a particular nation (as in a group of people), especially with the aim of gaining and maintaining the nation's sovereignty (self-governance) over its homeland.
The location of Rome made it a convenient trading center across the Mediterranean. Namely, the geographical position and access to the Tyrrhenian Sea, further to the Mediterranean Sea, made it easy for Rome to have a connection with all the Mediterranean countries to North Africa and the Middle East. If it is known that the Phoenicians, famous sailors, merchants and shipbuilders, thanks to the access to the Mediterranean Sea, made it easy to navigate the Atlantic, it was easy to imagine that the benefits of access to the Mediterranean could have the significance for accessing a more distant commercial destination.
The answer is: B.
You didn't give a description