The Maritime Silk Road was the name given by a Japanese scholar in 1967 to distinguish it from the traditional Silk Road. This route surrounded many oceans and seas including; South China Sea, Strait of Malacca, Indian Ocean, Gulf of Bengal, Arabian Sea, Persian Gulf and the Red Sea.

Manchuria rich in natural resources and sparsely populated had obvious advantages for a densely populated and resource-poor Japan. Amongst Manchuria's resources coveted by Japan were iron, coking coal, soybeans, salt and above all land, all severely lacking within the Japanese empire in 1930.
Answer:
I think D. Joined the united states in fighting the spanish.