Answer: strong trade winds
Step-by-step explanation:
Drought is when there's lack of rainfall or scarcity of water supply.
Australian drought, decreased fish stock in coastal Peru, flooding rains in southeastern US and the Peruvian upwelling stops are all related.
The Peruvian upwelling stops bring about the reduction in fishes. The option that doesn't fit the pattern is string trade winds.
Therefore, the correct option is E.