Which line from the text states the main cause for Roosevelt's speech?
A . The United States of America was suddenly and deliberately attacked by naval and air forces of the
Empire of Japan.
B . The United States was at peace with that nation and, at the solicitation of Japan, was still in
conversation with its Government
C . As Commander-in-Chief of the Army and Navy, I have directed that all measures be taken for our
defense.
D .The people of the United States have already formed their opinions and well understand the
implications to the very life and safety of our nation.​