Austria-Hungary at once severed diplomatic relations with the United States; but it was not until December 7 that Congress, acting on the President's advice, declared war also on that " vassal of the German government."
奥匈帝国立即与美国断绝了外交关系;但直到 12 月 7 日, 国会才根据总统的建议, 对那个“德国政府的
庸国” 宣战。