Before August 1945, military leaders in Japan repeatedly asked the Allies for terms of surrender.
refused Allied requests for their surrender.
mounted a final offensive against Allied troops.
were unaware that the Allies had defeated Germany.

Correct answer is refused Allied requests for their surrender.

Explanation:

First option is not correct is not correct as they never asked Allies for terms of surrender.

Second option is correct as they refused Truman's instruction of peace.

Third option is not correct as Okinawa Japanese army was in total defense.

Last option is not correct as Germany was defeated in May, so the information already spread.

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