As a Hegemon Declines in Power

As a hegemon declines in power,

A) it becomes more willing to bear the cost of maintaining trade rules and world trade becomes more open.
B) it becomes more willing to bear the cost of maintaining trade rules and world trade becomes less open.
C) it becomes less willing to bear the cost of maintaining trade rules and world trade becomes less open.
D) it becomes less willing to bear the cost of maintaining trade rules and world trade becomes more open.
E) it becomes less willing to bear the cost of maintaining trade rules so that more free riders will be able to profit.