The Aegean Islands, which for centuries had been important ports on the trading routes, became the backwaters of this new transport network and the economies of several islands came close to collapse.

Does it follow that "The new transport network benefited all of the Aegean Islands."?
Possible answers:
(A). yes;
(B). it is not possible to tell;
(C). no;

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
(C).