Imperative is when you are giving a command
Interrogative is when you are asking a question
Declarative is when you are declaring something
Exclamatory shows a form of expression
Hello. You did not enter the text to which this question refers, which makes it impossible for it to be answered accurately. However, I will try to help you in the best possible way.
If Watanabe's account is a first-hand account, it means that he adds veracity to the transmission, as it reports situations that he witnessed and that can extend the understanding of the subject being addressed. The importance of translating this account into English is to allow everyone to have access to the information that Watanabe can release.
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