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: "who suffered the most casualties in world war 2?" whose answer is the Russian Republic.
Each document should contain about 30 words, and these documents should contain useful information.

Query: highest number of casualties in world war 2
Useful Output:

Doc 1: 10 Countries With The Highest World War II Fatalities · Soviet Union - 24,000,000 · China - 19,500,000 · Germany - 7,700,000 · Poland - 5,600,000
Doc 2: It is hard to say with exact certainty how many died in World War 2, but estimates vary between 50 million to over 80 million.
Doc 3: Allied deaths on D-Day totalled over 4,000 during Operation Overlord. So many died on D-Day or became casualties in Normandy because of the
Doc 4: World War II, the deadliest and most destructive war in human history, claimed between 40 and 50 million lives, displaced tens of millions
Doc 5: Casualties rates among second lieutenants was a little over 200%, almost twice as high as that for first lieutenants. It dropped a lot for Captains and above,