Before revision: The route of the Manila Galleon from Manila to Acapulco depended upon successful application of the Atlantic phenomenon to the Pacific ocean : in discovering the North Pacific Gyre, captains of returning galleons had to reach the latitudes of Japan before they could safely cross.
After revision: The route of the Manila Galleon from Manila to Acapulco depended upon successful application of the Atlantic phenomenon to the Pacific Ocean : in discovering the North Pacific Gyre, captains of returning galleons had to reach the latitudes of Japan before they could safely cross.