What was the capital of the Roman Empire in the East and what was it called later? I - The capital of the Roman Empire in the East was Bizâncio. ...

What was the capital of the Roman Empire in the East and what was it called later?

I - The capital of the Roman Empire in the East was Bizâncio.
II - Bizâncio was later called Constantinopla.
a) Only I is correct.
b) Only II is correct.
c) Both I and II are correct.
d) Neither I nor II is correct.