Primary source is an artifact, a document, diary, manuscript, autobiography, a recording, or other source of information that was created at the time under study.
Answer:
i would choose b but i don't know what you talking about
There are many examples like protest, gathering like parties, and political announcements
Japan was able to recover so fast due to the Korean War. There was a huge surge of United Nation and United States troops that provided money and jobs. Japan was able to serve as a repair hub as well as a logistics base during that time.