Answer :
A. logos. This is describing exactly what happened, there's no emotion or credibility being argued.
B. Also logos. The use of "obvious" implies he looked it the distance between Hawaii and Japan and found it was logical the attack was planned.
C. Pathos. "very many American lives have been lost" evokes emotion, specifically sadness at the amount of lives lost.
D. Ethos. He establishes credibility and authority by calling himself "Commander in Chief of the Army and Navy".
Hope this helps :)