<span>The Chinese-Japanese War (also known as the Sino-Japanese War) primarily had to do with: B. Russia
Eventhough the war is called the chinese-japanese war, the two opposing sides in that war was the Russian empire and the Japan Empire. They both fought for the influence in Manchuria, a region in China with a lot of natural resources.</span>
<span>The origin of the conflict between the Qing Empire of China and Empire of Japan was primarily the over the influence of Korea. Thus, the answer to this item is letter A. Korea. This demonstrated the failure of the Qing Empire's attempt to modernize its military forces. </span>