The type of early communications that is thought to be between 10,000 - 12,000 years old and can be fond worldwide is : PetroGlyph
It was some sort of carving on the Rocks that ancient people used to communicate before the age of literature
hope this helps
For the Pacific, it is likewise did not by any means have a forward base from which to arrange attacks, as we did in Europe with England against Germany, and the bombarding strikes against Japan needed to amass B-29's from numerous bases so coordination was troublesome.
The greater part of our provisions must be moved via ocean, which put colossal requests on delivery and it was difficult to secure those supply sends over such a major sea as the Pacific. The Japanese were exceptionally well delved into the islands they protected, and put stock in the Code of Bushido - that to pass on for the Emperor was a heavenly demise and to surrender was an interminable disrespect. In Germany, just the SS was that over the top.
Since we needed to depend on our naval force in the Pacific for pretty much everything, what we lost at Pearl Harbor put us off guard until no less than 1943.
Hoover believed that you should not help people during a hard times. FDR was the complete opposite he wanted to help the american people get out of the great depression. So your answer is C.
Imperialism is more direct domination where an outside power completely takes over to create an empire and considers it as its own. Colonialism is where the existing state is not entirely dismissed, but it is still controlled.