original source A direct source of information or research
Primary source. In the study of history as an academic discipline, a Primary Source (also called an original source or evidence) is an artifact, document, diary, manuscript, autobiography, recording, or any other source of information that was created at the time under study. It serves as an original source of information about the topic.
River because of the rich soil and lot of animals to hunt
the strategy of "island hopping" was used by the United
States in the Pacific theater of world war two. Thought of by Douglas
MacArthur, "island hopping" was a strategy that u…sed the technique of
jumping from island to island on a chain to control the chain as a whole
vs attacking all the islands at once.
Hope this helps ❤️❤️❤️
Sunk relief is the answer