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The world war 2 were started in first september 1939 and finished in 1945.The world war 2 were most bloodiest war is history.There was over 20 million people who died in the war.The adolf hitler were comandor of german army.Unfortunaly germany loose the war and adolf hitler killed himself in a major bunker in berlin.

'The' (niepotr) World War 2 (generalnie piszemy WWII) 'were' (niepotr) started 'in' ON THE first OF September 1939 and finished in MAY 1945.
'The' (niepotr) World War 2 (WWII) 'were' (dlaczego w l. mnogiel tutaj WAS) THE most bloodiest war 'is' (zle slowo-popraw) history. There 'was' (tutaj l. mnoga, bo to odnosi sie do people -WERE) over 20 million people who died in the war.
'The' (niepotr) Adolf Hitler 'were' (dlaczego l. mn - jak odnosi sie do jednego czlowieka-WAS) THE 'comandor' (ortog) of THE German army.
Unfortunaly Germany 'loose' LOST the war and Adolf Hitler 'killed himself' (mozna tez uzyc 'committed suicide') in a major bunker in Berlin.