Question: 二战中美国是何时对德宣战的
Answer: 1941-12-11; 1941-12-11; 11-12-1941; 12-11-1941; 1941 12 11; 11/12/1941; 12/11/1941; 11 十二月 1941; 12 11 1941; 11 12 1941; 1941 十二月 11; 1941 december, 11