You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when did us declare war on germany ww2?" whose answer is 11 December 1941.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did the us declare war on germany ww2
Useful Output:

Doc 1: When did World War II begin? World War II formally began on September 1, 1939 when Germany invaded Poland without a formal declaration of war.
Doc 2: December 11–13, 1941 Nazi Germany and its Axis partners declare war on the United States. May 30, 1942–May 1945 The British bomb Köln (Cologne), in the
Doc 3: On September 1, 1939, Hitler invaded Poland from the west; two days later, France and Britain declared war on Germany, beginning World War II. On September 17,
Doc 4: So far I have seen that both countries declared war on each other on December 11, 1941. I'm curious who declared war on the other one first?
Doc 5: 3 SEPT 1939. Britain and France declare war on Germany. SEPT 1939-MAY  Britain and US declare war on Japan. 18 APR 1942. Doolittle Raiders Bomb Japan