She used the methods REASON AND EXPERIENCE.
Yes, it is true that in the years leading up to World War II Japan seized Pacific islands to boost its economy and trade, due mostly to the fact that the island of Japan lacked any natural resources.
One way to travel to the West was to sail around the tip of South America, the other way was to travel to the end of the railroad line and take a rough trail on land in wagons pulled by horses, mule, or oxen
The central and South Pacific islands