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  Hitler had made a pact with the USSR so the Soviets wouldn´t help Poland.
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  Britain and France declared war on Germany, but there was no time to help Poland.
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  When France was derroted Italy declared war and Britain was`t in his best moment, so Italy entered on war declaring war to France and Britain.
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  Germany, Italy, and Japan sign the Tripartite Pact.
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  Hitler wanted destroy the Communist system which he saw as a threath and steal the resources such as oil and grain.
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  A Japanese surprise attack against the USA would allow conquest of S.E Asia and the Pacific before the USA had recovered; this was the reasons for reason for the attack on Pearl Harbor.
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  When Japan attack USA, over 2,400 men were killed, 8 battleships were sunk, so congress voted to declare war.
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  Hitler planned 3 attak to USSR. Hitler´s Gamble:
Russians unpreprepares and weak.
Russians equipament outated.
Many people, hate communism and may support Hitler.
Crush resistance before witer sets in, - 
  
  US troops halt the Japanese island-hopping advance towards Australia at Guadalcanal in the Solomon Islands.
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  German supply lines were strtched, they had already advanced a long distance. The Brithis toorps had been reinforced with extra tanks, guns and aircraft.
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  The US fleet managed to sink all four Japanese aircfraft carries. These ships were a vital part of the Japanese navy. This broke the Japanese hold on the Pacific
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  Condition in the desert were terrible for the troops on both sides ti fight and to survive in.
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  When the Allies invaded Sicilia, they pushed back Italy, and Maussolini was derroted.
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  The Allies advance continued and the Russians attacked Beri from the East.
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  preparations included potable harbours (mulberries) and a fuel pipeline laid across the Channel sea bed (Pluto) tu support landings by troops on 5 Normandy beaches; Utha, Omaha,Gold, Juno and Sword.
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  Hitler commited a suicide taking a poison.
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  The US presindent, Truman, had a choice between invading Japan and suffering huge loses of soldiers, or using a new secret weapon; the atomic bomb.