Question

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on december 7, 1941, the us naval base at pearl harbor, hawaii,
was subject to a surprise attack. in less than two hours, the us pacific
fleet was devastated and more than 3,500 americans were killed or
wounded. the attack led to the united states entry into world war ii.
though the diplomatic relationship between the united states and
japan had been strained, it was not yet broken at the time of the
attack.
on december 8, at 12:30 p.m., president franklin d. roosevelt
addressed a joint session of congress and, via radio, the nation.
who was the intended audience of the primary source?
the us congress and the nation
japanese civilians
the allies in europe
president franklin d. roosevelt

Explanation:

The text states that on December 8, President Roosevelt addressed a joint session of Congress and, via radio, the nation. So the intended audience of the primary source (his address) was the US Congress and the nation. The other options are incorrect: Japanese civilians were not the audience, the Allies in Europe were not the target here, and Roosevelt was the speaker, not the audience.

Answer:

the US Congress and the nation