<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> Some long - term causes of World War II are found in the conditions preceding World War I and seen as common for both World Wars . Supporters of this view paraphrase Carl von Clausewitz: World War II was a continuation of World War I by the same means . In fact, World Wars had been expected before Benito Mussolini and Adolf Hitler came to power and Japan invaded China . </P> <P> Among the causes of World War II were Italian fascism in the 1920s, Japanese militarism and invasion of China in the 1930s, and especially the political takeover in 1933 of Germany by Hitler and his Nazi Party and its aggressive foreign policy . The immediate cause was Britain and France declaring war on Germany after it invaded Poland in September 1939 . </P>

Why is world war 2 a continuation of world war 1
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