The main contribution was when Nazi Germany invaded Poland from the West and the USSR invading from the East. Germany was warned not to invade by the French and British but the ignored it. Instead, Germany signed the Nazi Soviet pact which meant that none will attack each other whilst both claim their respective half of Poland. What all caused this were the effects of World War 1.
It contributed to the World War 2. To be exact, the World War effort in Europe as the battle was a key turning point for WW2 in Europe for the Allies against the Axis.
Harry S Truman did NOT start World War 2.
World War 2 was started in 1939
because they had 2 start with1 be for 2
In World War 2
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The policy of appeasement contributed to the start of World War 2. When the allied countries gave in to Hitler's first demands it encouraged him to try for more.
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A number of factors contributed to the start of WW2. - Hitler's rise to power, - Polictical, economic and other causes led to the war.
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Germany .
It contributed to the World War 2. To be exact, the World War effort in Europe as the battle was a key turning point for WW2 in Europe for the Allies against the Axis.
The United Nations was created to promote peace after World War 2.
It contributed uranium for the Atom bomb
Harry S Truman did NOT start World War 2.
World War 2 was started in 1939
Langston Hughes contributed to world war II by writing jinggles to incourage purchases of war bonds.