Respuesta :
Answer: The United States intervened in World War II by declaring war on Japan.
Explanation:
"a state of war has existed between the United States and the Japanese Empire." This excerpt from FDR's speech shows us that USA has declared war on Japan.
It can be concluded from President Roosevelt's speech that the United States intervened in World War II by declaring war on Japan.
What did President Roosevelt declare?
In his speech while addressing to the Congress, the then President Roosevelt made clarifications that a state of war had existed between the US and Japan.
Hence, option D holds true regarding the speech of President Roosevelt.
Learn more about President Roosevelt here:
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