They used kamakasi pilots. These pilots were groomed to be suicidal. They see these pilot as figure heads. They also used the strategy of knowing that their pilots wouldn’t surrender.
It was primarily the United States that was a strong supporter of the Monroe Doctrine, since this was nation from which it was issued, although some Latin American nations supported it as well, since it called for an end of European aggression in the Americas.
The effects of the global trade in silver were worldwide and linked the world in new and unprecedented ways.