What was the relationship between the Second Sino-Japanese War and the Chinese Civil War?

The Second Sino-Japanese War (1937-45) had a significant impact on the course of the Chinese Revolution. Known in China as the 'War of Chinese People's Resistance Against Japanese Aggression', it was a catastrophic conflict for the Chinese people, causing up to 20 million casualties.

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i would say your answer would be the second option.

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