In USA, which one of the following regions Receives heavy rainfall throughout the year under the influence of Wester lies?

Answer: Option A

In USA, North-western regions Receives heavy rainfall throughout the year under the influence of Westerlies. The westerlies, anti-trades, or prevailing westerlies, are prevailing winds from the west toward the east in the middle latitudes between 30° and 60° latitude. They originate from the high-pressure areas in the horse latitudes and trend towards the poles and steer extratropical cyclones in this general manner.